Home / 499,488.20-749,232.30-331,526.60

Finding the Fourth Proportional to 499,488.20, 749,232.30 and 331,526.60

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Solution

The fourth proportional to 499,488.20, 749,232.30 and 331,526.60 is: 497,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,488.20 : 749,232.30 = 331,526.60 : x
  2. Step 2: Convert to fraction form
    499,488.20/749,232.30 = 331,526.60/x
  3. Step 3: Cross multiply
    499,488.20x = 749,232.30 × 331,526.60
  4. Step 4: Simplify right side
    499,488.20x = 248,390,437,029.18
  5. Step 5: Solve for x
    x = 248,390,437,029.18/499,488.20
  6. Step 6: Final answer
    x = 497,289.90

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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.