Home / 727,542.80-1,091,314.20-699,549.20

Finding the Fourth Proportional to 727,542.80, 1,091,314.20 and 699,549.20

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Solution

The fourth proportional to 727,542.80, 1,091,314.20 and 699,549.20 is: 1,049,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,542.80 : 1,091,314.20 = 699,549.20 : x
  2. Step 2: Convert to fraction form
    727,542.80/1,091,314.20 = 699,549.20/x
  3. Step 3: Cross multiply
    727,542.80x = 1,091,314.20 × 699,549.20
  4. Step 4: Simplify right side
    727,542.80x = 763,427,975,558.64
  5. Step 5: Solve for x
    x = 763,427,975,558.64/727,542.80
  6. Step 6: Final answer
    x = 1,049,323.80

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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.