Home / 668,786.24-1,002,968.63-219,402.39

Finding the Fourth Proportional to 668,786.24, 1,002,968.63 and 219,402.39

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Solution

The fourth proportional to 668,786.24, 1,002,968.63 and 219,402.39 is: 329,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,786.24 : 1,002,968.63 = 219,402.39 : x
  2. Step 2: Convert to fraction form
    668,786.24/1,002,968.63 = 219,402.39/x
  3. Step 3: Cross multiply
    668,786.24x = 1,002,968.63 × 219,402.39
  4. Step 4: Simplify right side
    668,786.24x = 220,053,715,927.44
  5. Step 5: Solve for x
    x = 220,053,715,927.44/668,786.24
  6. Step 6: Final answer
    x = 329,034.45

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1.5x scale

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.