Home / 852,301.44-1,278,750.24-378,941.76

Finding the Fourth Proportional to 852,301.44, 1,278,750.24 and 378,941.76

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Solution

The fourth proportional to 852,301.44, 1,278,750.24 and 378,941.76 is: 568,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,301.44 : 1,278,750.24 = 378,941.76 : x
  2. Step 2: Convert to fraction form
    852,301.44/1,278,750.24 = 378,941.76/x
  3. Step 3: Cross multiply
    852,301.44x = 1,278,750.24 × 378,941.76
  4. Step 4: Simplify right side
    852,301.44x = 484,571,866,546.02
  5. Step 5: Solve for x
    x = 484,571,866,546.02/852,301.44
  6. Step 6: Final answer
    x = 568,545.17

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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.