Home / 591,370.60-816,091.75-319,438.49

Finding the Fourth Proportional to 591,370.60, 816,091.75 and 319,438.49

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Solution

The fourth proportional to 591,370.60, 816,091.75 and 319,438.49 is: 440,825.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,370.60 : 816,091.75 = 319,438.49 : x
  2. Step 2: Convert to fraction form
    591,370.60/816,091.75 = 319,438.49/x
  3. Step 3: Cross multiply
    591,370.60x = 816,091.75 × 319,438.49
  4. Step 4: Simplify right side
    591,370.60x = 260,691,116,321.46
  5. Step 5: Solve for x
    x = 260,691,116,321.46/591,370.60
  6. Step 6: Final answer
    x = 440,825.29

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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.