Home / 728,275.38-1,092,413.06-229,639.38

Finding the Fourth Proportional to 728,275.38, 1,092,413.06 and 229,639.38

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Solution

The fourth proportional to 728,275.38, 1,092,413.06 and 229,639.38 is: 344,459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,275.38 : 1,092,413.06 = 229,639.38 : x
  2. Step 2: Convert to fraction form
    728,275.38/1,092,413.06 = 229,639.38/x
  3. Step 3: Cross multiply
    728,275.38x = 1,092,413.06 × 229,639.38
  4. Step 4: Simplify right side
    728,275.38x = 250,861,057,802.30
  5. Step 5: Solve for x
    x = 250,861,057,802.30/728,275.38
  6. Step 6: Final answer
    x = 344,459.07

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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.