Home / 728,275.50-1,092,413.25-229,639.50

Finding the Fourth Proportional to 728,275.50, 1,092,413.25 and 229,639.50

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Solution

The fourth proportional to 728,275.50, 1,092,413.25 and 229,639.50 is: 344,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,275.50 : 1,092,413.25 = 229,639.50 : x
  2. Step 2: Convert to fraction form
    728,275.50/1,092,413.25 = 229,639.50/x
  3. Step 3: Cross multiply
    728,275.50x = 1,092,413.25 × 229,639.50
  4. Step 4: Simplify right side
    728,275.50x = 250,861,232,523.38
  5. Step 5: Solve for x
    x = 250,861,232,523.38/728,275.50
  6. Step 6: Final answer
    x = 344,459.25

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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.