Home / 932,734.20-1,399,101.30-400,164.60

Finding the Fourth Proportional to 932,734.20, 1,399,101.30 and 400,164.60

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Solution

The fourth proportional to 932,734.20, 1,399,101.30 and 400,164.60 is: 600,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,734.20 : 1,399,101.30 = 400,164.60 : x
  2. Step 2: Convert to fraction form
    932,734.20/1,399,101.30 = 400,164.60/x
  3. Step 3: Cross multiply
    932,734.20x = 1,399,101.30 × 400,164.60
  4. Step 4: Simplify right side
    932,734.20x = 559,870,812,073.98
  5. Step 5: Solve for x
    x = 559,870,812,073.98/932,734.20
  6. Step 6: Final answer
    x = 600,246.90

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Double scale
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Similar ratio
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1.5x scale

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.