Home / 724,141.34-1,086,287.84-268,857.15

Finding the Fourth Proportional to 724,141.34, 1,086,287.84 and 268,857.15

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Solution

The fourth proportional to 724,141.34, 1,086,287.84 and 268,857.15 is: 403,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,141.34 : 1,086,287.84 = 268,857.15 : x
  2. Step 2: Convert to fraction form
    724,141.34/1,086,287.84 = 268,857.15/x
  3. Step 3: Cross multiply
    724,141.34x = 1,086,287.84 × 268,857.15
  4. Step 4: Simplify right side
    724,141.34x = 292,056,252,742.06
  5. Step 5: Solve for x
    x = 292,056,252,742.06/724,141.34
  6. Step 6: Final answer
    x = 403,313.88

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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.