Home / 587,853.75-811,244.66-319,581.75

Finding the Fourth Proportional to 587,853.75, 811,244.66 and 319,581.75

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Solution

The fourth proportional to 587,853.75, 811,244.66 and 319,581.75 is: 441,026.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,853.75 : 811,244.66 = 319,581.75 : x
  2. Step 2: Convert to fraction form
    587,853.75/811,244.66 = 319,581.75/x
  3. Step 3: Cross multiply
    587,853.75x = 811,244.66 × 319,581.75
  4. Step 4: Simplify right side
    587,853.75x = 259,258,986,523.05
  5. Step 5: Solve for x
    x = 259,258,986,523.05/587,853.75
  6. Step 6: Final answer
    x = 441,026.34

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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.