Home / 690,876.45-1,036,314.68-241,447.95

Finding the Fourth Proportional to 690,876.45, 1,036,314.68 and 241,447.95

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Solution

The fourth proportional to 690,876.45, 1,036,314.68 and 241,447.95 is: 362,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,876.45 : 1,036,314.68 = 241,447.95 : x
  2. Step 2: Convert to fraction form
    690,876.45/1,036,314.68 = 241,447.95/x
  3. Step 3: Cross multiply
    690,876.45x = 1,036,314.68 × 241,447.95
  4. Step 4: Simplify right side
    690,876.45x = 250,216,055,040.91
  5. Step 5: Solve for x
    x = 250,216,055,040.91/690,876.45
  6. Step 6: Final answer
    x = 362,171.93

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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.