Home / 729,999.68-1,007,331.72-471,882.64

Finding the Fourth Proportional to 729,999.68, 1,007,331.72 and 471,882.64

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Solution

The fourth proportional to 729,999.68, 1,007,331.72 and 471,882.64 is: 651,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,999.68 : 1,007,331.72 = 471,882.64 : x
  2. Step 2: Convert to fraction form
    729,999.68/1,007,331.72 = 471,882.64/x
  3. Step 3: Cross multiply
    729,999.68x = 1,007,331.72 × 471,882.64
  4. Step 4: Simplify right side
    729,999.68x = 475,342,351,389.34
  5. Step 5: Solve for x
    x = 475,342,351,389.34/729,999.68
  6. Step 6: Final answer
    x = 651,154.19

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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.