Home / 728,726.10-1,093,089.15-576,510.90

Finding the Fourth Proportional to 728,726.10, 1,093,089.15 and 576,510.90

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Solution

The fourth proportional to 728,726.10, 1,093,089.15 and 576,510.90 is: 864,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,726.10 : 1,093,089.15 = 576,510.90 : x
  2. Step 2: Convert to fraction form
    728,726.10/1,093,089.15 = 576,510.90/x
  3. Step 3: Cross multiply
    728,726.10x = 1,093,089.15 × 576,510.90
  4. Step 4: Simplify right side
    728,726.10x = 630,177,809,646.74
  5. Step 5: Solve for x
    x = 630,177,809,646.74/728,726.10
  6. Step 6: Final answer
    x = 864,766.35

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Double scale
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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.