Home / 729,932.76-1,007,161.11-407,593.26

Finding the Fourth Proportional to 729,932.76, 1,007,161.11 and 407,593.26

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Solution

The fourth proportional to 729,932.76, 1,007,161.11 and 407,593.26 is: 562,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,932.76 : 1,007,161.11 = 407,593.26 : x
  2. Step 2: Convert to fraction form
    729,932.76/1,007,161.11 = 407,593.26/x
  3. Step 3: Cross multiply
    729,932.76x = 1,007,161.11 × 407,593.26
  4. Step 4: Simplify right side
    729,932.76x = 410,512,080,170.12
  5. Step 5: Solve for x
    x = 410,512,080,170.12/729,932.76
  6. Step 6: Final answer
    x = 562,397.12

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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.