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Finding the Fourth Proportional to 657,952.80, 984,960.90 and 579,220.80

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Solution

The fourth proportional to 657,952.80, 984,960.90 and 579,220.80 is: 867,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,952.80 : 984,960.90 = 579,220.80 : x
  2. Step 2: Convert to fraction form
    657,952.80/984,960.90 = 579,220.80/x
  3. Step 3: Cross multiply
    657,952.80x = 984,960.90 × 579,220.80
  4. Step 4: Simplify right side
    657,952.80x = 570,509,840,466.72
  5. Step 5: Solve for x
    x = 570,509,840,466.72/657,952.80
  6. Step 6: Final answer
    x = 867,098.43

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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.