Home / 856,788.30-1,182,414.92-474,806.88

Finding the Fourth Proportional to 856,788.30, 1,182,414.92 and 474,806.88

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Solution

The fourth proportional to 856,788.30, 1,182,414.92 and 474,806.88 is: 655,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,788.30 : 1,182,414.92 = 474,806.88 : x
  2. Step 2: Convert to fraction form
    856,788.30/1,182,414.92 = 474,806.88/x
  3. Step 3: Cross multiply
    856,788.30x = 1,182,414.92 × 474,806.88
  4. Step 4: Simplify right side
    856,788.30x = 561,418,736,656.62
  5. Step 5: Solve for x
    x = 561,418,736,656.62/856,788.30
  6. Step 6: Final answer
    x = 655,259.57

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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.