Home / 404,540.80-607,467.30-272,008.60

Finding the Fourth Proportional to 404,540.80, 607,467.30 and 272,008.60

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Solution

The fourth proportional to 404,540.80, 607,467.30 and 272,008.60 is: 408,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,540.80 : 607,467.30 = 272,008.60 : x
  2. Step 2: Convert to fraction form
    404,540.80/607,467.30 = 272,008.60/x
  3. Step 3: Cross multiply
    404,540.80x = 607,467.30 × 272,008.60
  4. Step 4: Simplify right side
    404,540.80x = 165,236,329,818.78
  5. Step 5: Solve for x
    x = 165,236,329,818.78/404,540.80
  6. Step 6: Final answer
    x = 408,454.05

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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.