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Finding the Fourth Proportional to 657,977.70, 985,654.35 and 377,166.90

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Solution

The fourth proportional to 657,977.70, 985,654.35 and 377,166.90 is: 564,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,977.70 : 985,654.35 = 377,166.90 : x
  2. Step 2: Convert to fraction form
    657,977.70/985,654.35 = 377,166.90/x
  3. Step 3: Cross multiply
    657,977.70x = 985,654.35 × 377,166.90
  4. Step 4: Simplify right side
    657,977.70x = 371,756,195,661.02
  5. Step 5: Solve for x
    x = 371,756,195,661.02/657,977.70
  6. Step 6: Final answer
    x = 564,998.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.