Home / 668,780.93-1,002,960.67-219,397.08

Finding the Fourth Proportional to 668,780.93, 1,002,960.67 and 219,397.08

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Solution

The fourth proportional to 668,780.93, 1,002,960.67 and 219,397.08 is: 329,026.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,780.93 : 1,002,960.67 = 219,397.08 : x
  2. Step 2: Convert to fraction form
    668,780.93/1,002,960.67 = 219,397.08/x
  3. Step 3: Cross multiply
    668,780.93x = 1,002,960.67 × 219,397.08
  4. Step 4: Simplify right side
    668,780.93x = 220,046,642,847.48
  5. Step 5: Solve for x
    x = 220,046,642,847.48/668,780.93
  6. Step 6: Final answer
    x = 329,026.49

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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.