Home / 788,020.42-1,087,462.65-430,324.42

Finding the Fourth Proportional to 788,020.42, 1,087,462.65 and 430,324.42

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Solution

The fourth proportional to 788,020.42, 1,087,462.65 and 430,324.42 is: 593,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,020.42 : 1,087,462.65 = 430,324.42 : x
  2. Step 2: Convert to fraction form
    788,020.42/1,087,462.65 = 430,324.42/x
  3. Step 3: Cross multiply
    788,020.42x = 1,087,462.65 × 430,324.42
  4. Step 4: Simplify right side
    788,020.42x = 467,961,734,132.91
  5. Step 5: Solve for x
    x = 467,961,734,132.91/788,020.42
  6. Step 6: Final answer
    x = 593,844.68

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Half scale
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Double scale
Find fourth proportional to 788,021.42, 1,087,464.03 and 430,325.42
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.