Home / 754,130.56-1,040,591.84-443,848.64

Finding the Fourth Proportional to 754,130.56, 1,040,591.84 and 443,848.64

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Solution

The fourth proportional to 754,130.56, 1,040,591.84 and 443,848.64 is: 612,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,130.56 : 1,040,591.84 = 443,848.64 : x
  2. Step 2: Convert to fraction form
    754,130.56/1,040,591.84 = 443,848.64/x
  3. Step 3: Cross multiply
    754,130.56x = 1,040,591.84 × 443,848.64
  4. Step 4: Simplify right side
    754,130.56x = 461,865,272,979.10
  5. Step 5: Solve for x
    x = 461,865,272,979.10/754,130.56
  6. Step 6: Final answer
    x = 612,447.36

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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.