Home / 864,279.73-1,192,563.39-482,305.60

Finding the Fourth Proportional to 864,279.73, 1,192,563.39 and 482,305.60

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Solution

The fourth proportional to 864,279.73, 1,192,563.39 and 482,305.60 is: 665,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,279.73 : 1,192,563.39 = 482,305.60 : x
  2. Step 2: Convert to fraction form
    864,279.73/1,192,563.39 = 482,305.60/x
  3. Step 3: Cross multiply
    864,279.73x = 1,192,563.39 × 482,305.60
  4. Step 4: Simplify right side
    864,279.73x = 575,180,001,351.98
  5. Step 5: Solve for x
    x = 575,180,001,351.98/864,279.73
  6. Step 6: Final answer
    x = 665,502.13

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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.