Home / 846,025.60-1,269,211.20-285,116.80

Finding the Fourth Proportional to 846,025.60, 1,269,211.20 and 285,116.80

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Solution

The fourth proportional to 846,025.60, 1,269,211.20 and 285,116.80 is: 427,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,025.60 : 1,269,211.20 = 285,116.80 : x
  2. Step 2: Convert to fraction form
    846,025.60/1,269,211.20 = 285,116.80/x
  3. Step 3: Cross multiply
    846,025.60x = 1,269,211.20 × 285,116.80
  4. Step 4: Simplify right side
    846,025.60x = 361,873,435,868.16
  5. Step 5: Solve for x
    x = 361,873,435,868.16/846,025.60
  6. Step 6: Final answer
    x = 427,733.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.