Home / 774,393.42-1,161,143.25-300,524.94

Finding the Fourth Proportional to 774,393.42, 1,161,143.25 and 300,524.94

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Solution

The fourth proportional to 774,393.42, 1,161,143.25 and 300,524.94 is: 450,613.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,393.42 : 1,161,143.25 = 300,524.94 : x
  2. Step 2: Convert to fraction form
    774,393.42/1,161,143.25 = 300,524.94/x
  3. Step 3: Cross multiply
    774,393.42x = 1,161,143.25 × 300,524.94
  4. Step 4: Simplify right side
    774,393.42x = 348,952,505,537.66
  5. Step 5: Solve for x
    x = 348,952,505,537.66/774,393.42
  6. Step 6: Final answer
    x = 450,613.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.