Home / 677,131.20-1,016,029.24-272,307.04

Finding the Fourth Proportional to 677,131.20, 1,016,029.24 and 272,307.04

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Solution

The fourth proportional to 677,131.20, 1,016,029.24 and 272,307.04 is: 408,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,131.20 : 1,016,029.24 = 272,307.04 : x
  2. Step 2: Convert to fraction form
    677,131.20/1,016,029.24 = 272,307.04/x
  3. Step 3: Cross multiply
    677,131.20x = 1,016,029.24 × 272,307.04
  4. Step 4: Simplify right side
    677,131.20x = 276,671,914,897.85
  5. Step 5: Solve for x
    x = 276,671,914,897.85/677,131.20
  6. Step 6: Final answer
    x = 408,594.25

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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.