Home / 753,655.47-1,040,091.05-431,358.66

Finding the Fourth Proportional to 753,655.47, 1,040,091.05 and 431,358.66

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Solution

The fourth proportional to 753,655.47, 1,040,091.05 and 431,358.66 is: 595,301.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,655.47 : 1,040,091.05 = 431,358.66 : x
  2. Step 2: Convert to fraction form
    753,655.47/1,040,091.05 = 431,358.66/x
  3. Step 3: Cross multiply
    753,655.47x = 1,040,091.05 × 431,358.66
  4. Step 4: Simplify right side
    753,655.47x = 448,652,279,449.20
  5. Step 5: Solve for x
    x = 448,652,279,449.20/753,655.47
  6. Step 6: Final answer
    x = 595,301.56

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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.