Home / 781,387.20-1,170,564.21-575,848.56

Finding the Fourth Proportional to 781,387.20, 1,170,564.21 and 575,848.56

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Solution

The fourth proportional to 781,387.20, 1,170,564.21 and 575,848.56 is: 862,655.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,387.20 : 1,170,564.21 = 575,848.56 : x
  2. Step 2: Convert to fraction form
    781,387.20/1,170,564.21 = 575,848.56/x
  3. Step 3: Cross multiply
    781,387.20x = 1,170,564.21 × 575,848.56
  4. Step 4: Simplify right side
    781,387.20x = 674,067,714,716.04
  5. Step 5: Solve for x
    x = 674,067,714,716.04/781,387.20
  6. Step 6: Final answer
    x = 862,655.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.