Home / 730,331.60-1,007,757.42-408,001.64

Finding the Fourth Proportional to 730,331.60, 1,007,757.42 and 408,001.64

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Solution

The fourth proportional to 730,331.60, 1,007,757.42 and 408,001.64 is: 562,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,331.60 : 1,007,757.42 = 408,001.64 : x
  2. Step 2: Convert to fraction form
    730,331.60/1,007,757.42 = 408,001.64/x
  3. Step 3: Cross multiply
    730,331.60x = 1,007,757.42 × 408,001.64
  4. Step 4: Simplify right side
    730,331.60x = 411,166,680,082.17
  5. Step 5: Solve for x
    x = 411,166,680,082.17/730,331.60
  6. Step 6: Final answer
    x = 562,986.29

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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.