Home / 765,100.24-1,055,835.30-425,568.52

Finding the Fourth Proportional to 765,100.24, 1,055,835.30 and 425,568.52

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Solution

The fourth proportional to 765,100.24, 1,055,835.30 and 425,568.52 is: 587,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,100.24 : 1,055,835.30 = 425,568.52 : x
  2. Step 2: Convert to fraction form
    765,100.24/1,055,835.30 = 425,568.52/x
  3. Step 3: Cross multiply
    765,100.24x = 1,055,835.30 × 425,568.52
  4. Step 4: Simplify right side
    765,100.24x = 449,330,265,984.76
  5. Step 5: Solve for x
    x = 449,330,265,984.76/765,100.24
  6. Step 6: Final answer
    x = 587,282.87

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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.