Home / 724,713.14-1,086,728.22-268,988.60

Finding the Fourth Proportional to 724,713.14, 1,086,728.22 and 268,988.60

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Solution

The fourth proportional to 724,713.14, 1,086,728.22 and 268,988.60 is: 403,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,713.14 : 1,086,728.22 = 268,988.60 : x
  2. Step 2: Convert to fraction form
    724,713.14/1,086,728.22 = 268,988.60/x
  3. Step 3: Cross multiply
    724,713.14x = 1,086,728.22 × 268,988.60
  4. Step 4: Simplify right side
    724,713.14x = 292,317,505,195.11
  5. Step 5: Solve for x
    x = 292,317,505,195.11/724,713.14
  6. Step 6: Final answer
    x = 403,356.15

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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.