Home / 753,981.75-1,040,494.82-431,798.45

Finding the Fourth Proportional to 753,981.75, 1,040,494.82 and 431,798.45

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Solution

The fourth proportional to 753,981.75, 1,040,494.82 and 431,798.45 is: 595,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,981.75 : 1,040,494.82 = 431,798.45 : x
  2. Step 2: Convert to fraction form
    753,981.75/1,040,494.82 = 431,798.45/x
  3. Step 3: Cross multiply
    753,981.75x = 1,040,494.82 × 431,798.45
  4. Step 4: Simplify right side
    753,981.75x = 449,284,043,147.56
  5. Step 5: Solve for x
    x = 449,284,043,147.56/753,981.75
  6. Step 6: Final answer
    x = 595,881.85

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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.