Home / 575,028.48-861,437.24-321,540.14

Finding the Fourth Proportional to 575,028.48, 861,437.24 and 321,540.14

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Solution

The fourth proportional to 575,028.48, 861,437.24 and 321,540.14 is: 481,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,028.48 : 861,437.24 = 321,540.14 : x
  2. Step 2: Convert to fraction form
    575,028.48/861,437.24 = 321,540.14/x
  3. Step 3: Cross multiply
    575,028.48x = 861,437.24 × 321,540.14
  4. Step 4: Simplify right side
    575,028.48x = 276,986,651,296.71
  5. Step 5: Solve for x
    x = 276,986,651,296.71/575,028.48
  6. Step 6: Final answer
    x = 481,692.06

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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.