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Finding the Fourth Proportional to 657,896.92, 907,897.98 and 371,435.46

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Solution

The fourth proportional to 657,896.92, 907,897.98 and 371,435.46 is: 512,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,896.92 : 907,897.98 = 371,435.46 : x
  2. Step 2: Convert to fraction form
    657,896.92/907,897.98 = 371,435.46/x
  3. Step 3: Cross multiply
    657,896.92x = 907,897.98 × 371,435.46
  4. Step 4: Simplify right side
    657,896.92x = 337,225,503,834.37
  5. Step 5: Solve for x
    x = 337,225,503,834.37/657,896.92
  6. Step 6: Final answer
    x = 512,581.06

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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.