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Finding the Fourth Proportional to 528,463.98, 792,778.56 and 173,397.24

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Solution

The fourth proportional to 528,463.98, 792,778.56 and 173,397.24 is: 260,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,463.98 : 792,778.56 = 173,397.24 : x
  2. Step 2: Convert to fraction form
    528,463.98/792,778.56 = 173,397.24/x
  3. Step 3: Cross multiply
    528,463.98x = 792,778.56 × 173,397.24
  4. Step 4: Simplify right side
    528,463.98x = 137,465,614,235.17
  5. Step 5: Solve for x
    x = 137,465,614,235.17/528,463.98
  6. Step 6: Final answer
    x = 260,122.96

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1.5x scale

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.