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Finding the Fourth Proportional to 545,151.20, 817,726.80 and 332,574.80

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Solution

The fourth proportional to 545,151.20, 817,726.80 and 332,574.80 is: 498,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,151.20 : 817,726.80 = 332,574.80 : x
  2. Step 2: Convert to fraction form
    545,151.20/817,726.80 = 332,574.80/x
  3. Step 3: Cross multiply
    545,151.20x = 817,726.80 × 332,574.80
  4. Step 4: Simplify right side
    545,151.20x = 271,955,326,964.64
  5. Step 5: Solve for x
    x = 271,955,326,964.64/545,151.20
  6. Step 6: Final answer
    x = 498,862.20

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Similar ratio
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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.