Home / 852,300.46-1,278,229.56-253,120.78

Finding the Fourth Proportional to 852,300.46, 1,278,229.56 and 253,120.78

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Solution

The fourth proportional to 852,300.46, 1,278,229.56 and 253,120.78 is: 379,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,300.46 : 1,278,229.56 = 253,120.78 : x
  2. Step 2: Convert to fraction form
    852,300.46/1,278,229.56 = 253,120.78/x
  3. Step 3: Cross multiply
    852,300.46x = 1,278,229.56 × 253,120.78
  4. Step 4: Simplify right side
    852,300.46x = 323,546,463,246.26
  5. Step 5: Solve for x
    x = 323,546,463,246.26/852,300.46
  6. Step 6: Final answer
    x = 379,615.50

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Double scale
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1.5x scale

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.