Home / 753,284.70-1,039,712.22-431,180.91

Finding the Fourth Proportional to 753,284.70, 1,039,712.22 and 431,180.91

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Solution

The fourth proportional to 753,284.70, 1,039,712.22 and 431,180.91 is: 595,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,284.70 : 1,039,712.22 = 431,180.91 : x
  2. Step 2: Convert to fraction form
    753,284.70/1,039,712.22 = 431,180.91/x
  3. Step 3: Cross multiply
    753,284.70x = 1,039,712.22 × 431,180.91
  4. Step 4: Simplify right side
    753,284.70x = 448,304,061,157.72
  5. Step 5: Solve for x
    x = 448,304,061,157.72/753,284.70
  6. Step 6: Final answer
    x = 595,132.31

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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.