Home / 727,591.80-1,091,387.70-699,598.20

Finding the Fourth Proportional to 727,591.80, 1,091,387.70 and 699,598.20

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Solution

The fourth proportional to 727,591.80, 1,091,387.70 and 699,598.20 is: 1,049,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,591.80 : 1,091,387.70 = 699,598.20 : x
  2. Step 2: Convert to fraction form
    727,591.80/1,091,387.70 = 699,598.20/x
  3. Step 3: Cross multiply
    727,591.80x = 1,091,387.70 × 699,598.20
  4. Step 4: Simplify right side
    727,591.80x = 763,532,870,422.14
  5. Step 5: Solve for x
    x = 763,532,870,422.14/727,591.80
  6. Step 6: Final answer
    x = 1,049,397.30

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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.