Home / 668,647.13-1,002,959.22-269,277.71

Finding the Fourth Proportional to 668,647.13, 1,002,959.22 and 269,277.71

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Solution

The fourth proportional to 668,647.13, 1,002,959.22 and 269,277.71 is: 403,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,647.13 : 1,002,959.22 = 269,277.71 : x
  2. Step 2: Convert to fraction form
    668,647.13/1,002,959.22 = 269,277.71/x
  3. Step 3: Cross multiply
    668,647.13x = 1,002,959.22 × 269,277.71
  4. Step 4: Simplify right side
    668,647.13x = 270,074,561,984.99
  5. Step 5: Solve for x
    x = 270,074,561,984.99/668,647.13
  6. Step 6: Final answer
    x = 403,911.94

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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.