Home / 486,002.10-729,003.15-336,200.70

Finding the Fourth Proportional to 486,002.10, 729,003.15 and 336,200.70

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Solution

The fourth proportional to 486,002.10, 729,003.15 and 336,200.70 is: 504,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,002.10 : 729,003.15 = 336,200.70 : x
  2. Step 2: Convert to fraction form
    486,002.10/729,003.15 = 336,200.70/x
  3. Step 3: Cross multiply
    486,002.10x = 729,003.15 × 336,200.70
  4. Step 4: Simplify right side
    486,002.10x = 245,091,369,332.21
  5. Step 5: Solve for x
    x = 245,091,369,332.21/486,002.10
  6. Step 6: Final answer
    x = 504,301.05

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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.