Home / 852,697.35-1,278,823.28-253,497.15

Finding the Fourth Proportional to 852,697.35, 1,278,823.28 and 253,497.15

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Solution

The fourth proportional to 852,697.35, 1,278,823.28 and 253,497.15 is: 380,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,697.35 : 1,278,823.28 = 253,497.15 : x
  2. Step 2: Convert to fraction form
    852,697.35/1,278,823.28 = 253,497.15/x
  3. Step 3: Cross multiply
    852,697.35x = 1,278,823.28 × 253,497.15
  4. Step 4: Simplify right side
    852,697.35x = 324,178,055,566.17
  5. Step 5: Solve for x
    x = 324,178,055,566.17/852,697.35
  6. Step 6: Final answer
    x = 380,179.50

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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.