Home / 532,934.20-799,401.30-449,990.20

Finding the Fourth Proportional to 532,934.20, 799,401.30 and 449,990.20

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Solution

The fourth proportional to 532,934.20, 799,401.30 and 449,990.20 is: 674,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,934.20 : 799,401.30 = 449,990.20 : x
  2. Step 2: Convert to fraction form
    532,934.20/799,401.30 = 449,990.20/x
  3. Step 3: Cross multiply
    532,934.20x = 799,401.30 × 449,990.20
  4. Step 4: Simplify right side
    532,934.20x = 359,722,750,867.26
  5. Step 5: Solve for x
    x = 359,722,750,867.26/532,934.20
  6. Step 6: Final answer
    x = 674,985.30

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Half scale
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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.