Home / 814,468.08-1,221,877.67-245,801.61

Finding the Fourth Proportional to 814,468.08, 1,221,877.67 and 245,801.61

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Solution

The fourth proportional to 814,468.08, 1,221,877.67 and 245,801.61 is: 368,755.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,468.08 : 1,221,877.67 = 245,801.61 : x
  2. Step 2: Convert to fraction form
    814,468.08/1,221,877.67 = 245,801.61/x
  3. Step 3: Cross multiply
    814,468.08x = 1,221,877.67 × 245,801.61
  4. Step 4: Simplify right side
    814,468.08x = 300,339,497,280.04
  5. Step 5: Solve for x
    x = 300,339,497,280.04/814,468.08
  6. Step 6: Final answer
    x = 368,755.39

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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.