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Finding the Fourth Proportional to 657,952.92, 908,017.02 and 371,368.44

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Solution

The fourth proportional to 657,952.92, 908,017.02 and 371,368.44 is: 512,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,952.92 : 908,017.02 = 371,368.44 : x
  2. Step 2: Convert to fraction form
    657,952.92/908,017.02 = 371,368.44/x
  3. Step 3: Cross multiply
    657,952.92x = 908,017.02 × 371,368.44
  4. Step 4: Simplify right side
    657,952.92x = 337,208,864,210.85
  5. Step 5: Solve for x
    x = 337,208,864,210.85/657,952.92
  6. Step 6: Final answer
    x = 512,512.15

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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.