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Finding the Fourth Proportional to 1,046.74, 1,569.83 and 497.83

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Solution

The fourth proportional to 1,046.74, 1,569.83 and 497.83 is: 746.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.74 : 1,569.83 = 497.83 : x
  2. Step 2: Convert to fraction form
    1,046.74/1,569.83 = 497.83/x
  3. Step 3: Cross multiply
    1,046.74x = 1,569.83 × 497.83
  4. Step 4: Simplify right side
    1,046.74x = 781,500.62
  5. Step 5: Solve for x
    x = 781,500.62/1,046.74
  6. Step 6: Final answer
    x = 746.61

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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.