Home / 791,480.31-1,092,490.86-504,999.92

Finding the Fourth Proportional to 791,480.31, 1,092,490.86 and 504,999.92

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Solution

The fourth proportional to 791,480.31, 1,092,490.86 and 504,999.92 is: 697,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,480.31 : 1,092,490.86 = 504,999.92 : x
  2. Step 2: Convert to fraction form
    791,480.31/1,092,490.86 = 504,999.92/x
  3. Step 3: Cross multiply
    791,480.31x = 1,092,490.86 × 504,999.92
  4. Step 4: Simplify right side
    791,480.31x = 551,707,791,438.28
  5. Step 5: Solve for x
    x = 551,707,791,438.28/791,480.31
  6. Step 6: Final answer
    x = 697,058.14

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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.