Home / 668,787.24-1,002,970.12-219,403.39

Finding the Fourth Proportional to 668,787.24, 1,002,970.12 and 219,403.39

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Solution

The fourth proportional to 668,787.24, 1,002,970.12 and 219,403.39 is: 329,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,787.24 : 1,002,970.12 = 219,403.39 : x
  2. Step 2: Convert to fraction form
    668,787.24/1,002,970.12 = 219,403.39/x
  3. Step 3: Cross multiply
    668,787.24x = 1,002,970.12 × 219,403.39
  4. Step 4: Simplify right side
    668,787.24x = 220,055,044,396.71
  5. Step 5: Solve for x
    x = 220,055,044,396.71/668,787.24
  6. Step 6: Final answer
    x = 329,035.95

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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.