Home / 447,609.20-617,831.12-292,583.04

Finding the Fourth Proportional to 447,609.20, 617,831.12 and 292,583.04

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Solution

The fourth proportional to 447,609.20, 617,831.12 and 292,583.04 is: 403,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,609.20 : 617,831.12 = 292,583.04 : x
  2. Step 2: Convert to fraction form
    447,609.20/617,831.12 = 292,583.04/x
  3. Step 3: Cross multiply
    447,609.20x = 617,831.12 × 292,583.04
  4. Step 4: Simplify right side
    447,609.20x = 180,766,907,296.21
  5. Step 5: Solve for x
    x = 180,766,907,296.21/447,609.20
  6. Step 6: Final answer
    x = 403,849.85

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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.