Home / 856,820.03-1,182,404.29-469,656.95

Finding the Fourth Proportional to 856,820.03, 1,182,404.29 and 469,656.95

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Solution

The fourth proportional to 856,820.03, 1,182,404.29 and 469,656.95 is: 648,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,820.03 : 1,182,404.29 = 469,656.95 : x
  2. Step 2: Convert to fraction form
    856,820.03/1,182,404.29 = 469,656.95/x
  3. Step 3: Cross multiply
    856,820.03x = 1,182,404.29 × 469,656.95
  4. Step 4: Simplify right side
    856,820.03x = 555,324,392,508.32
  5. Step 5: Solve for x
    x = 555,324,392,508.32/856,820.03
  6. Step 6: Final answer
    x = 648,122.56

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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.