Home / 852,194.57-1,278,488.70-253,142.46

Finding the Fourth Proportional to 852,194.57, 1,278,488.70 and 253,142.46

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Solution

The fourth proportional to 852,194.57, 1,278,488.70 and 253,142.46 is: 379,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,194.57 : 1,278,488.70 = 253,142.46 : x
  2. Step 2: Convert to fraction form
    852,194.57/1,278,488.70 = 253,142.46/x
  3. Step 3: Cross multiply
    852,194.57x = 1,278,488.70 × 253,142.46
  4. Step 4: Simplify right side
    852,194.57x = 323,639,774,600.20
  5. Step 5: Solve for x
    x = 323,639,774,600.20/852,194.57
  6. Step 6: Final answer
    x = 379,772.16

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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.