Home / 724,035.60-1,086,053.40-198,723.60

Finding the Fourth Proportional to 724,035.60, 1,086,053.40 and 198,723.60

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Solution

The fourth proportional to 724,035.60, 1,086,053.40 and 198,723.60 is: 298,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,035.60 : 1,086,053.40 = 198,723.60 : x
  2. Step 2: Convert to fraction form
    724,035.60/1,086,053.40 = 198,723.60/x
  3. Step 3: Cross multiply
    724,035.60x = 1,086,053.40 × 198,723.60
  4. Step 4: Simplify right side
    724,035.60x = 215,824,441,440.24
  5. Step 5: Solve for x
    x = 215,824,441,440.24/724,035.60
  6. Step 6: Final answer
    x = 298,085.40

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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.