Home / 852,868.89-1,279,500.17-453,894.48

Finding the Fourth Proportional to 852,868.89, 1,279,500.17 and 453,894.48

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Solution

The fourth proportional to 852,868.89, 1,279,500.17 and 453,894.48 is: 680,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,868.89 : 1,279,500.17 = 453,894.48 : x
  2. Step 2: Convert to fraction form
    852,868.89/1,279,500.17 = 453,894.48/x
  3. Step 3: Cross multiply
    852,868.89x = 1,279,500.17 × 453,894.48
  4. Step 4: Simplify right side
    852,868.89x = 580,758,062,052.59
  5. Step 5: Solve for x
    x = 580,758,062,052.59/852,868.89
  6. Step 6: Final answer
    x = 680,946.47

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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.