Home / 852,280.65-1,279,897.20-453,699.90

Finding the Fourth Proportional to 852,280.65, 1,279,897.20 and 453,699.90

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Solution

The fourth proportional to 852,280.65, 1,279,897.20 and 453,699.90 is: 681,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,280.65 : 1,279,897.20 = 453,699.90 : x
  2. Step 2: Convert to fraction form
    852,280.65/1,279,897.20 = 453,699.90/x
  3. Step 3: Cross multiply
    852,280.65x = 1,279,897.20 × 453,699.90
  4. Step 4: Simplify right side
    852,280.65x = 580,689,231,650.28
  5. Step 5: Solve for x
    x = 580,689,231,650.28/852,280.65
  6. Step 6: Final answer
    x = 681,335.70

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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.