Home / 563,610.22-777,835.92-321,928.90

Finding the Fourth Proportional to 563,610.22, 777,835.92 and 321,928.90

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Solution

The fourth proportional to 563,610.22, 777,835.92 and 321,928.90 is: 444,292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,610.22 : 777,835.92 = 321,928.90 : x
  2. Step 2: Convert to fraction form
    563,610.22/777,835.92 = 321,928.90/x
  3. Step 3: Cross multiply
    563,610.22x = 777,835.92 × 321,928.90
  4. Step 4: Simplify right side
    563,610.22x = 250,407,862,106.09
  5. Step 5: Solve for x
    x = 250,407,862,106.09/563,610.22
  6. Step 6: Final answer
    x = 444,292.62

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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.