Home / 739,350.40-1,109,025.60-240,764.80

Finding the Fourth Proportional to 739,350.40, 1,109,025.60 and 240,764.80

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Solution

The fourth proportional to 739,350.40, 1,109,025.60 and 240,764.80 is: 361,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,350.40 : 1,109,025.60 = 240,764.80 : x
  2. Step 2: Convert to fraction form
    739,350.40/1,109,025.60 = 240,764.80/x
  3. Step 3: Cross multiply
    739,350.40x = 1,109,025.60 × 240,764.80
  4. Step 4: Simplify right side
    739,350.40x = 267,014,326,778.88
  5. Step 5: Solve for x
    x = 267,014,326,778.88/739,350.40
  6. Step 6: Final answer
    x = 361,147.20

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Double scale
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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.