Home / 728,410.60-1,092,615.90-444,975.40

Finding the Fourth Proportional to 728,410.60, 1,092,615.90 and 444,975.40

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Solution

The fourth proportional to 728,410.60, 1,092,615.90 and 444,975.40 is: 667,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,410.60 : 1,092,615.90 = 444,975.40 : x
  2. Step 2: Convert to fraction form
    728,410.60/1,092,615.90 = 444,975.40/x
  3. Step 3: Cross multiply
    728,410.60x = 1,092,615.90 × 444,975.40
  4. Step 4: Simplify right side
    728,410.60x = 486,187,197,148.86
  5. Step 5: Solve for x
    x = 486,187,197,148.86/728,410.60
  6. Step 6: Final answer
    x = 667,463.10

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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.