Home / 694,228.20-1,041,342.30-427,122.60

Finding the Fourth Proportional to 694,228.20, 1,041,342.30 and 427,122.60

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Solution

The fourth proportional to 694,228.20, 1,041,342.30 and 427,122.60 is: 640,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,228.20 : 1,041,342.30 = 427,122.60 : x
  2. Step 2: Convert to fraction form
    694,228.20/1,041,342.30 = 427,122.60/x
  3. Step 3: Cross multiply
    694,228.20x = 1,041,342.30 × 427,122.60
  4. Step 4: Simplify right side
    694,228.20x = 444,780,830,665.98
  5. Step 5: Solve for x
    x = 444,780,830,665.98/694,228.20
  6. Step 6: Final answer
    x = 640,683.90

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Similar ratio
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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.