Home / 727,597.59-1,091,396.38-278,456.13

Finding the Fourth Proportional to 727,597.59, 1,091,396.38 and 278,456.13

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Solution

The fourth proportional to 727,597.59, 1,091,396.38 and 278,456.13 is: 417,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,597.59 : 1,091,396.38 = 278,456.13 : x
  2. Step 2: Convert to fraction form
    727,597.59/1,091,396.38 = 278,456.13/x
  3. Step 3: Cross multiply
    727,597.59x = 1,091,396.38 × 278,456.13
  4. Step 4: Simplify right side
    727,597.59x = 303,906,012,096.77
  5. Step 5: Solve for x
    x = 303,906,012,096.77/727,597.59
  6. Step 6: Final answer
    x = 417,684.20

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Similar ratio
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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.