Home / 482,494.04-665,828.92-278,538.06

Finding the Fourth Proportional to 482,494.04, 665,828.92 and 278,538.06

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Solution

The fourth proportional to 482,494.04, 665,828.92 and 278,538.06 is: 384,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,494.04 : 665,828.92 = 278,538.06 : x
  2. Step 2: Convert to fraction form
    482,494.04/665,828.92 = 278,538.06/x
  3. Step 3: Cross multiply
    482,494.04x = 665,828.92 × 278,538.06
  4. Step 4: Simplify right side
    482,494.04x = 185,458,695,668.70
  5. Step 5: Solve for x
    x = 185,458,695,668.70/482,494.04
  6. Step 6: Final answer
    x = 384,375.10

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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.