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Finding the Fourth Proportional to 546,061.80, 819,092.70 and 492,917.70

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Solution

The fourth proportional to 546,061.80, 819,092.70 and 492,917.70 is: 739,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,061.80 : 819,092.70 = 492,917.70 : x
  2. Step 2: Convert to fraction form
    546,061.80/819,092.70 = 492,917.70/x
  3. Step 3: Cross multiply
    546,061.80x = 819,092.70 × 492,917.70
  4. Step 4: Simplify right side
    546,061.80x = 403,745,289,770.79
  5. Step 5: Solve for x
    x = 403,745,289,770.79/546,061.80
  6. Step 6: Final answer
    x = 739,376.55

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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.