Home / 856,151.11-1,181,418.44-488,626.44

Finding the Fourth Proportional to 856,151.11, 1,181,418.44 and 488,626.44

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Solution

The fourth proportional to 856,151.11, 1,181,418.44 and 488,626.44 is: 674,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,151.11 : 1,181,418.44 = 488,626.44 : x
  2. Step 2: Convert to fraction form
    856,151.11/1,181,418.44 = 488,626.44/x
  3. Step 3: Cross multiply
    856,151.11x = 1,181,418.44 × 488,626.44
  4. Step 4: Simplify right side
    856,151.11x = 577,272,284,044.42
  5. Step 5: Solve for x
    x = 577,272,284,044.42/856,151.11
  6. Step 6: Final answer
    x = 674,264.48

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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.