Home / 687,750.20-1,031,625.30-332,800.10

Finding the Fourth Proportional to 687,750.20, 1,031,625.30 and 332,800.10

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Solution

The fourth proportional to 687,750.20, 1,031,625.30 and 332,800.10 is: 499,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,750.20 : 1,031,625.30 = 332,800.10 : x
  2. Step 2: Convert to fraction form
    687,750.20/1,031,625.30 = 332,800.10/x
  3. Step 3: Cross multiply
    687,750.20x = 1,031,625.30 × 332,800.10
  4. Step 4: Simplify right side
    687,750.20x = 343,325,003,002.53
  5. Step 5: Solve for x
    x = 343,325,003,002.53/687,750.20
  6. Step 6: Final answer
    x = 499,200.15

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Similar ratio
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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.