Home / 888,108.12-1,332,231.48-319,563.36

Finding the Fourth Proportional to 888,108.12, 1,332,231.48 and 319,563.36

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Solution

The fourth proportional to 888,108.12, 1,332,231.48 and 319,563.36 is: 479,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,108.12 : 1,332,231.48 = 319,563.36 : x
  2. Step 2: Convert to fraction form
    888,108.12/1,332,231.48 = 319,563.36/x
  3. Step 3: Cross multiply
    888,108.12x = 1,332,231.48 × 319,563.36
  4. Step 4: Simplify right side
    888,108.12x = 425,732,368,046.57
  5. Step 5: Solve for x
    x = 425,732,368,046.57/888,108.12
  6. Step 6: Final answer
    x = 479,369.98

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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.