Home / 765,105.24-1,055,842.20-425,573.52

Finding the Fourth Proportional to 765,105.24, 1,055,842.20 and 425,573.52

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Solution

The fourth proportional to 765,105.24, 1,055,842.20 and 425,573.52 is: 587,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,105.24 : 1,055,842.20 = 425,573.52 : x
  2. Step 2: Convert to fraction form
    765,105.24/1,055,842.20 = 425,573.52/x
  3. Step 3: Cross multiply
    765,105.24x = 1,055,842.20 × 425,573.52
  4. Step 4: Simplify right side
    765,105.24x = 449,338,481,618.54
  5. Step 5: Solve for x
    x = 449,338,481,618.54/765,105.24
  6. Step 6: Final answer
    x = 587,289.77

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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.