Home / 864,286.73-1,192,573.05-482,312.60

Finding the Fourth Proportional to 864,286.73, 1,192,573.05 and 482,312.60

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Solution

The fourth proportional to 864,286.73, 1,192,573.05 and 482,312.60 is: 665,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,286.73 : 1,192,573.05 = 482,312.60 : x
  2. Step 2: Convert to fraction form
    864,286.73/1,192,573.05 = 482,312.60/x
  3. Step 3: Cross multiply
    864,286.73x = 1,192,573.05 × 482,312.60
  4. Step 4: Simplify right side
    864,286.73x = 575,193,008,435.43
  5. Step 5: Solve for x
    x = 575,193,008,435.43/864,286.73
  6. Step 6: Final answer
    x = 665,511.79

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.