Home / 663,112.60-994,012.80-325,877.20

Finding the Fourth Proportional to 663,112.60, 994,012.80 and 325,877.20

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Solution

The fourth proportional to 663,112.60, 994,012.80 and 325,877.20 is: 488,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,112.60 : 994,012.80 = 325,877.20 : x
  2. Step 2: Convert to fraction form
    663,112.60/994,012.80 = 325,877.20/x
  3. Step 3: Cross multiply
    663,112.60x = 994,012.80 × 325,877.20
  4. Step 4: Simplify right side
    663,112.60x = 323,926,108,028.16
  5. Step 5: Solve for x
    x = 323,926,108,028.16/663,112.60
  6. Step 6: Final answer
    x = 488,493.37

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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.