Home / 852,236.40-1,278,052.20-378,073.20

Finding the Fourth Proportional to 852,236.40, 1,278,052.20 and 378,073.20

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Solution

The fourth proportional to 852,236.40, 1,278,052.20 and 378,073.20 is: 566,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,236.40 : 1,278,052.20 = 378,073.20 : x
  2. Step 2: Convert to fraction form
    852,236.40/1,278,052.20 = 378,073.20/x
  3. Step 3: Cross multiply
    852,236.40x = 1,278,052.20 × 378,073.20
  4. Step 4: Simplify right side
    852,236.40x = 483,197,285,021.04
  5. Step 5: Solve for x
    x = 483,197,285,021.04/852,236.40
  6. Step 6: Final answer
    x = 566,975.65

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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.