Home / 986,246.38-1,478,481.45-354,716.20

Finding the Fourth Proportional to 986,246.38, 1,478,481.45 and 354,716.20

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Solution

The fourth proportional to 986,246.38, 1,478,481.45 and 354,716.20 is: 531,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,246.38 : 1,478,481.45 = 354,716.20 : x
  2. Step 2: Convert to fraction form
    986,246.38/1,478,481.45 = 354,716.20/x
  3. Step 3: Cross multiply
    986,246.38x = 1,478,481.45 × 354,716.20
  4. Step 4: Simplify right side
    986,246.38x = 524,441,321,714.49
  5. Step 5: Solve for x
    x = 524,441,321,714.49/986,246.38
  6. Step 6: Final answer
    x = 531,754.88

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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.