Home / 996,644.66-1,375,350.44-543,938.90

Finding the Fourth Proportional to 996,644.66, 1,375,350.44 and 543,938.90

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Solution

The fourth proportional to 996,644.66, 1,375,350.44 and 543,938.90 is: 750,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,644.66 : 1,375,350.44 = 543,938.90 : x
  2. Step 2: Convert to fraction form
    996,644.66/1,375,350.44 = 543,938.90/x
  3. Step 3: Cross multiply
    996,644.66x = 1,375,350.44 × 543,938.90
  4. Step 4: Simplify right side
    996,644.66x = 748,106,605,448.12
  5. Step 5: Solve for x
    x = 748,106,605,448.12/996,644.66
  6. Step 6: Final answer
    x = 750,625.21

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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.