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Finding the Fourth Proportional to 655,207.68, 904,204.32 and 368,737.92

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Solution

The fourth proportional to 655,207.68, 904,204.32 and 368,737.92 is: 508,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,207.68 : 904,204.32 = 368,737.92 : x
  2. Step 2: Convert to fraction form
    655,207.68/904,204.32 = 368,737.92/x
  3. Step 3: Cross multiply
    655,207.68x = 904,204.32 × 368,737.92
  4. Step 4: Simplify right side
    655,207.68x = 333,414,420,211.81
  5. Step 5: Solve for x
    x = 333,414,420,211.81/655,207.68
  6. Step 6: Final answer
    x = 508,868.30

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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.