Home / 852,098.20-1,278,147.30-537,947.80

Finding the Fourth Proportional to 852,098.20, 1,278,147.30 and 537,947.80

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Solution

The fourth proportional to 852,098.20, 1,278,147.30 and 537,947.80 is: 806,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,098.20 : 1,278,147.30 = 537,947.80 : x
  2. Step 2: Convert to fraction form
    852,098.20/1,278,147.30 = 537,947.80/x
  3. Step 3: Cross multiply
    852,098.20x = 1,278,147.30 × 537,947.80
  4. Step 4: Simplify right side
    852,098.20x = 687,576,528,110.94
  5. Step 5: Solve for x
    x = 687,576,528,110.94/852,098.20
  6. Step 6: Final answer
    x = 806,921.70

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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.