Home / 559,684.97-772,385.90-318,008.48

Finding the Fourth Proportional to 559,684.97, 772,385.90 and 318,008.48

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Solution

The fourth proportional to 559,684.97, 772,385.90 and 318,008.48 is: 438,863.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,684.97 : 772,385.90 = 318,008.48 : x
  2. Step 2: Convert to fraction form
    559,684.97/772,385.90 = 318,008.48/x
  3. Step 3: Cross multiply
    559,684.97x = 772,385.90 × 318,008.48
  4. Step 4: Simplify right side
    559,684.97x = 245,625,267,608.33
  5. Step 5: Solve for x
    x = 245,625,267,608.33/559,684.97
  6. Step 6: Final answer
    x = 438,863.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.