Home / 591,267.60-815,949.16-319,335.48

Finding the Fourth Proportional to 591,267.60, 815,949.16 and 319,335.48

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Solution

The fourth proportional to 591,267.60, 815,949.16 and 319,335.48 is: 440,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,267.60 : 815,949.16 = 319,335.48 : x
  2. Step 2: Convert to fraction form
    591,267.60/815,949.16 = 319,335.48/x
  3. Step 3: Cross multiply
    591,267.60x = 815,949.16 × 319,335.48
  4. Step 4: Simplify right side
    591,267.60x = 260,561,516,664.20
  5. Step 5: Solve for x
    x = 260,561,516,664.20/591,267.60
  6. Step 6: Final answer
    x = 440,682.89

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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.