Home / 878,100.19-1,317,049.68-229,738.98

Finding the Fourth Proportional to 878,100.19, 1,317,049.68 and 229,738.98

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Solution

The fourth proportional to 878,100.19, 1,317,049.68 and 229,738.98 is: 344,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,100.19 : 1,317,049.68 = 229,738.98 : x
  2. Step 2: Convert to fraction form
    878,100.19/1,317,049.68 = 229,738.98/x
  3. Step 3: Cross multiply
    878,100.19x = 1,317,049.68 × 229,738.98
  4. Step 4: Simplify right side
    878,100.19x = 302,577,650,092.53
  5. Step 5: Solve for x
    x = 302,577,650,092.53/878,100.19
  6. Step 6: Final answer
    x = 344,582.15

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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.