Home / 407,832.20-611,165.10-283,027.40

Finding the Fourth Proportional to 407,832.20, 611,165.10 and 283,027.40

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Solution

The fourth proportional to 407,832.20, 611,165.10 and 283,027.40 is: 424,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,832.20 : 611,165.10 = 283,027.40 : x
  2. Step 2: Convert to fraction form
    407,832.20/611,165.10 = 283,027.40/x
  3. Step 3: Cross multiply
    407,832.20x = 611,165.10 × 283,027.40
  4. Step 4: Simplify right side
    407,832.20x = 172,976,469,223.74
  5. Step 5: Solve for x
    x = 172,976,469,223.74/407,832.20
  6. Step 6: Final answer
    x = 424,136.37

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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.