Home / 856,708.11-1,182,243.02-469,520.55

Finding the Fourth Proportional to 856,708.11, 1,182,243.02 and 469,520.55

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Solution

The fourth proportional to 856,708.11, 1,182,243.02 and 469,520.55 is: 647,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,708.11 : 1,182,243.02 = 469,520.55 : x
  2. Step 2: Convert to fraction form
    856,708.11/1,182,243.02 = 469,520.55/x
  3. Step 3: Cross multiply
    856,708.11x = 1,182,243.02 × 469,520.55
  4. Step 4: Simplify right side
    856,708.11x = 555,087,390,636.46
  5. Step 5: Solve for x
    x = 555,087,390,636.46/856,708.11
  6. Step 6: Final answer
    x = 647,930.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.