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Finding the Fourth Proportional to 730.04, 1,092.92 and 545.76

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Solution

The fourth proportional to 730.04, 1,092.92 and 545.76 is: 817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.04 : 1,092.92 = 545.76 : x
  2. Step 2: Convert to fraction form
    730.04/1,092.92 = 545.76/x
  3. Step 3: Cross multiply
    730.04x = 1,092.92 × 545.76
  4. Step 4: Simplify right side
    730.04x = 596,472.02
  5. Step 5: Solve for x
    x = 596,472.02/730.04
  6. Step 6: Final answer
    x = 817.04

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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.