Home / 488,351.04-673,649.28-284,377.92

Finding the Fourth Proportional to 488,351.04, 673,649.28 and 284,377.92

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Solution

The fourth proportional to 488,351.04, 673,649.28 and 284,377.92 is: 392,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,351.04 : 673,649.28 = 284,377.92 : x
  2. Step 2: Convert to fraction form
    488,351.04/673,649.28 = 284,377.92/x
  3. Step 3: Cross multiply
    488,351.04x = 673,649.28 × 284,377.92
  4. Step 4: Simplify right side
    488,351.04x = 191,570,981,055.90
  5. Step 5: Solve for x
    x = 191,570,981,055.90/488,351.04
  6. Step 6: Final answer
    x = 392,281.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.