Home / 807,832.60-1,211,748.90-239,234.20

Finding the Fourth Proportional to 807,832.60, 1,211,748.90 and 239,234.20

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Solution

The fourth proportional to 807,832.60, 1,211,748.90 and 239,234.20 is: 358,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,832.60 : 1,211,748.90 = 239,234.20 : x
  2. Step 2: Convert to fraction form
    807,832.60/1,211,748.90 = 239,234.20/x
  3. Step 3: Cross multiply
    807,832.60x = 1,211,748.90 × 239,234.20
  4. Step 4: Simplify right side
    807,832.60x = 289,891,778,692.38
  5. Step 5: Solve for x
    x = 289,891,778,692.38/807,832.60
  6. Step 6: Final answer
    x = 358,851.30

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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.