Home / 704,986.80-1,057,480.20-231,687.60

Finding the Fourth Proportional to 704,986.80, 1,057,480.20 and 231,687.60

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Solution

The fourth proportional to 704,986.80, 1,057,480.20 and 231,687.60 is: 347,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,986.80 : 1,057,480.20 = 231,687.60 : x
  2. Step 2: Convert to fraction form
    704,986.80/1,057,480.20 = 231,687.60/x
  3. Step 3: Cross multiply
    704,986.80x = 1,057,480.20 × 231,687.60
  4. Step 4: Simplify right side
    704,986.80x = 245,005,049,585.52
  5. Step 5: Solve for x
    x = 245,005,049,585.52/704,986.80
  6. Step 6: Final answer
    x = 347,531.40

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Similar ratio
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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.