Home / 957,101.52-1,320,789.38-543,635.40

Finding the Fourth Proportional to 957,101.52, 1,320,789.38 and 543,635.40

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Solution

The fourth proportional to 957,101.52, 1,320,789.38 and 543,635.40 is: 750,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,101.52 : 1,320,789.38 = 543,635.40 : x
  2. Step 2: Convert to fraction form
    957,101.52/1,320,789.38 = 543,635.40/x
  3. Step 3: Cross multiply
    957,101.52x = 1,320,789.38 × 543,635.40
  4. Step 4: Simplify right side
    957,101.52x = 718,027,862,912.05
  5. Step 5: Solve for x
    x = 718,027,862,912.05/957,101.52
  6. Step 6: Final answer
    x = 750,210.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.