Home / 663,876.03-996,017.01-279,823.75

Finding the Fourth Proportional to 663,876.03, 996,017.01 and 279,823.75

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Solution

The fourth proportional to 663,876.03, 996,017.01 and 279,823.75 is: 419,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,876.03 : 996,017.01 = 279,823.75 : x
  2. Step 2: Convert to fraction form
    663,876.03/996,017.01 = 279,823.75/x
  3. Step 3: Cross multiply
    663,876.03x = 996,017.01 × 279,823.75
  4. Step 4: Simplify right side
    663,876.03x = 278,709,211,262.61
  5. Step 5: Solve for x
    x = 278,709,211,262.61/663,876.03
  6. Step 6: Final answer
    x = 419,821.17

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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.