Home / 763,620.52-1,053,734.86-441,351.49

Finding the Fourth Proportional to 763,620.52, 1,053,734.86 and 441,351.49

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Solution

The fourth proportional to 763,620.52, 1,053,734.86 and 441,351.49 is: 609,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,620.52 : 1,053,734.86 = 441,351.49 : x
  2. Step 2: Convert to fraction form
    763,620.52/1,053,734.86 = 441,351.49/x
  3. Step 3: Cross multiply
    763,620.52x = 1,053,734.86 × 441,351.49
  4. Step 4: Simplify right side
    763,620.52x = 465,067,450,525.94
  5. Step 5: Solve for x
    x = 465,067,450,525.94/763,620.52
  6. Step 6: Final answer
    x = 609,029.54

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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.