Home / 802,144.59-1,203,115.38-262,354.71

Finding the Fourth Proportional to 802,144.59, 1,203,115.38 and 262,354.71

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Solution

The fourth proportional to 802,144.59, 1,203,115.38 and 262,354.71 is: 393,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,144.59 : 1,203,115.38 = 262,354.71 : x
  2. Step 2: Convert to fraction form
    802,144.59/1,203,115.38 = 262,354.71/x
  3. Step 3: Cross multiply
    802,144.59x = 1,203,115.38 × 262,354.71
  4. Step 4: Simplify right side
    802,144.59x = 315,642,990,280.12
  5. Step 5: Solve for x
    x = 315,642,990,280.12/802,144.59
  6. Step 6: Final answer
    x = 393,498.87

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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.