Home / 723,761.60-1,085,642.40-677,105.60

Finding the Fourth Proportional to 723,761.60, 1,085,642.40 and 677,105.60

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Solution

The fourth proportional to 723,761.60, 1,085,642.40 and 677,105.60 is: 1,015,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,761.60 : 1,085,642.40 = 677,105.60 : x
  2. Step 2: Convert to fraction form
    723,761.60/1,085,642.40 = 677,105.60/x
  3. Step 3: Cross multiply
    723,761.60x = 1,085,642.40 × 677,105.60
  4. Step 4: Simplify right side
    723,761.60x = 735,094,548,637.44
  5. Step 5: Solve for x
    x = 735,094,548,637.44/723,761.60
  6. Step 6: Final answer
    x = 1,015,658.40

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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.