Home / 676,739.68-1,015,110.28-203,425.04

Finding the Fourth Proportional to 676,739.68, 1,015,110.28 and 203,425.04

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Solution

The fourth proportional to 676,739.68, 1,015,110.28 and 203,425.04 is: 305,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,739.68 : 1,015,110.28 = 203,425.04 : x
  2. Step 2: Convert to fraction form
    676,739.68/1,015,110.28 = 203,425.04/x
  3. Step 3: Cross multiply
    676,739.68x = 1,015,110.28 × 203,425.04
  4. Step 4: Simplify right side
    676,739.68x = 206,498,849,313.41
  5. Step 5: Solve for x
    x = 206,498,849,313.41/676,739.68
  6. Step 6: Final answer
    x = 305,137.79

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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.