Home / 834,961.80-1,252,442.70-302,500.20

Finding the Fourth Proportional to 834,961.80, 1,252,442.70 and 302,500.20

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Solution

The fourth proportional to 834,961.80, 1,252,442.70 and 302,500.20 is: 453,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,961.80 : 1,252,442.70 = 302,500.20 : x
  2. Step 2: Convert to fraction form
    834,961.80/1,252,442.70 = 302,500.20/x
  3. Step 3: Cross multiply
    834,961.80x = 1,252,442.70 × 302,500.20
  4. Step 4: Simplify right side
    834,961.80x = 378,864,167,238.54
  5. Step 5: Solve for x
    x = 378,864,167,238.54/834,961.80
  6. Step 6: Final answer
    x = 453,750.30

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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.