Home / 868,008.20-1,302,012.30-228,310.70

Finding the Fourth Proportional to 868,008.20, 1,302,012.30 and 228,310.70

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Solution

The fourth proportional to 868,008.20, 1,302,012.30 and 228,310.70 is: 342,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,008.20 : 1,302,012.30 = 228,310.70 : x
  2. Step 2: Convert to fraction form
    868,008.20/1,302,012.30 = 228,310.70/x
  3. Step 3: Cross multiply
    868,008.20x = 1,302,012.30 × 228,310.70
  4. Step 4: Simplify right side
    868,008.20x = 297,263,339,621.61
  5. Step 5: Solve for x
    x = 297,263,339,621.61/868,008.20
  6. Step 6: Final answer
    x = 342,466.05

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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.