Home / 864,110.10-1,296,165.15-303,201.30

Finding the Fourth Proportional to 864,110.10, 1,296,165.15 and 303,201.30

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Solution

The fourth proportional to 864,110.10, 1,296,165.15 and 303,201.30 is: 454,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,110.10 : 1,296,165.15 = 303,201.30 : x
  2. Step 2: Convert to fraction form
    864,110.10/1,296,165.15 = 303,201.30/x
  3. Step 3: Cross multiply
    864,110.10x = 1,296,165.15 × 303,201.30
  4. Step 4: Simplify right side
    864,110.10x = 392,998,958,494.70
  5. Step 5: Solve for x
    x = 392,998,958,494.70/864,110.10
  6. Step 6: Final answer
    x = 454,801.95

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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.