Home / 724,036.60-1,086,054.90-198,724.60

Finding the Fourth Proportional to 724,036.60, 1,086,054.90 and 198,724.60

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Solution

The fourth proportional to 724,036.60, 1,086,054.90 and 198,724.60 is: 298,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,036.60 : 1,086,054.90 = 198,724.60 : x
  2. Step 2: Convert to fraction form
    724,036.60/1,086,054.90 = 198,724.60/x
  3. Step 3: Cross multiply
    724,036.60x = 1,086,054.90 × 198,724.60
  4. Step 4: Simplify right side
    724,036.60x = 215,825,825,580.54
  5. Step 5: Solve for x
    x = 215,825,825,580.54/724,036.60
  6. Step 6: Final answer
    x = 298,086.90

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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.