Home / 939,495.50-1,409,239.44-340,316.42

Finding the Fourth Proportional to 939,495.50, 1,409,239.44 and 340,316.42

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Solution

The fourth proportional to 939,495.50, 1,409,239.44 and 340,316.42 is: 510,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,495.50 : 1,409,239.44 = 340,316.42 : x
  2. Step 2: Convert to fraction form
    939,495.50/1,409,239.44 = 340,316.42/x
  3. Step 3: Cross multiply
    939,495.50x = 1,409,239.44 × 340,316.42
  4. Step 4: Simplify right side
    939,495.50x = 479,587,321,143.61
  5. Step 5: Solve for x
    x = 479,587,321,143.61/939,495.50
  6. Step 6: Final answer
    x = 510,473.25

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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.