Home / 726,082.80-1,087,828.20-351,279.60

Finding the Fourth Proportional to 726,082.80, 1,087,828.20 and 351,279.60

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Solution

The fourth proportional to 726,082.80, 1,087,828.20 and 351,279.60 is: 526,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,082.80 : 1,087,828.20 = 351,279.60 : x
  2. Step 2: Convert to fraction form
    726,082.80/1,087,828.20 = 351,279.60/x
  3. Step 3: Cross multiply
    726,082.80x = 1,087,828.20 × 351,279.60
  4. Step 4: Simplify right side
    726,082.80x = 382,131,854,964.72
  5. Step 5: Solve for x
    x = 382,131,854,964.72/726,082.80
  6. Step 6: Final answer
    x = 526,292.39

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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.