Home / 731,394.32-1,009,331.88-429,593.36

Finding the Fourth Proportional to 731,394.32, 1,009,331.88 and 429,593.36

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Solution

The fourth proportional to 731,394.32, 1,009,331.88 and 429,593.36 is: 592,843.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,394.32 : 1,009,331.88 = 429,593.36 : x
  2. Step 2: Convert to fraction form
    731,394.32/1,009,331.88 = 429,593.36/x
  3. Step 3: Cross multiply
    731,394.32x = 1,009,331.88 × 429,593.36
  4. Step 4: Simplify right side
    731,394.32x = 433,602,273,684.32
  5. Step 5: Solve for x
    x = 433,602,273,684.32/731,394.32
  6. Step 6: Final answer
    x = 592,843.37

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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.