Home / 681,659.10-1,022,488.68-208,340.46

Finding the Fourth Proportional to 681,659.10, 1,022,488.68 and 208,340.46

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Solution

The fourth proportional to 681,659.10, 1,022,488.68 and 208,340.46 is: 312,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,659.10 : 1,022,488.68 = 208,340.46 : x
  2. Step 2: Convert to fraction form
    681,659.10/1,022,488.68 = 208,340.46/x
  3. Step 3: Cross multiply
    681,659.10x = 1,022,488.68 × 208,340.46
  4. Step 4: Simplify right side
    681,659.10x = 213,025,761,935.99
  5. Step 5: Solve for x
    x = 213,025,761,935.99/681,659.10
  6. Step 6: Final answer
    x = 312,510.70

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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.