Home / 878,629.14-1,317,000.33-372,763.17

Finding the Fourth Proportional to 878,629.14, 1,317,000.33 and 372,763.17

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Solution

The fourth proportional to 878,629.14, 1,317,000.33 and 372,763.17 is: 558,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,629.14 : 1,317,000.33 = 372,763.17 : x
  2. Step 2: Convert to fraction form
    878,629.14/1,317,000.33 = 372,763.17/x
  3. Step 3: Cross multiply
    878,629.14x = 1,317,000.33 × 372,763.17
  4. Step 4: Simplify right side
    878,629.14x = 490,929,217,901.85
  5. Step 5: Solve for x
    x = 490,929,217,901.85/878,629.14
  6. Step 6: Final answer
    x = 558,744.52

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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.