Home / 728,618.10-1,092,927.15-684,294.90

Finding the Fourth Proportional to 728,618.10, 1,092,927.15 and 684,294.90

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Solution

The fourth proportional to 728,618.10, 1,092,927.15 and 684,294.90 is: 1,026,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,618.10 : 1,092,927.15 = 684,294.90 : x
  2. Step 2: Convert to fraction form
    728,618.10/1,092,927.15 = 684,294.90/x
  3. Step 3: Cross multiply
    728,618.10x = 1,092,927.15 × 684,294.90
  4. Step 4: Simplify right side
    728,618.10x = 747,884,474,816.54
  5. Step 5: Solve for x
    x = 747,884,474,816.54/728,618.10
  6. Step 6: Final answer
    x = 1,026,442.35

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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.