Home / 486,022.10-729,033.15-308,000.30

Finding the Fourth Proportional to 486,022.10, 729,033.15 and 308,000.30

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Solution

The fourth proportional to 486,022.10, 729,033.15 and 308,000.30 is: 462,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,022.10 : 729,033.15 = 308,000.30 : x
  2. Step 2: Convert to fraction form
    486,022.10/729,033.15 = 308,000.30/x
  3. Step 3: Cross multiply
    486,022.10x = 729,033.15 × 308,000.30
  4. Step 4: Simplify right side
    486,022.10x = 224,542,428,909.95
  5. Step 5: Solve for x
    x = 224,542,428,909.95/486,022.10
  6. Step 6: Final answer
    x = 462,000.45

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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.