Home / 676,732.11-1,015,098.93-203,417.46

Finding the Fourth Proportional to 676,732.11, 1,015,098.93 and 203,417.46

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Solution

The fourth proportional to 676,732.11, 1,015,098.93 and 203,417.46 is: 305,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,732.11 : 1,015,098.93 = 203,417.46 : x
  2. Step 2: Convert to fraction form
    676,732.11/1,015,098.93 = 203,417.46/x
  3. Step 3: Cross multiply
    676,732.11x = 1,015,098.93 × 203,417.46
  4. Step 4: Simplify right side
    676,732.11x = 206,488,845,989.32
  5. Step 5: Solve for x
    x = 206,488,845,989.32/676,732.11
  6. Step 6: Final answer
    x = 305,126.42

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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.