Home / 756,202.43-1,134,471.83-329,807.20

Finding the Fourth Proportional to 756,202.43, 1,134,471.83 and 329,807.20

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Solution

The fourth proportional to 756,202.43, 1,134,471.83 and 329,807.20 is: 494,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,202.43 : 1,134,471.83 = 329,807.20 : x
  2. Step 2: Convert to fraction form
    756,202.43/1,134,471.83 = 329,807.20/x
  3. Step 3: Cross multiply
    756,202.43x = 1,134,471.83 × 329,807.20
  4. Step 4: Simplify right side
    756,202.43x = 374,156,977,731.18
  5. Step 5: Solve for x
    x = 374,156,977,731.18/756,202.43
  6. Step 6: Final answer
    x = 494,784.15

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Double scale
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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.