Home / 726,537.30-1,089,761.64-271,040.82

Finding the Fourth Proportional to 726,537.30, 1,089,761.64 and 271,040.82

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Solution

The fourth proportional to 726,537.30, 1,089,761.64 and 271,040.82 is: 406,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,537.30 : 1,089,761.64 = 271,040.82 : x
  2. Step 2: Convert to fraction form
    726,537.30/1,089,761.64 = 271,040.82/x
  3. Step 3: Cross multiply
    726,537.30x = 1,089,761.64 × 271,040.82
  4. Step 4: Simplify right side
    726,537.30x = 295,369,888,510.15
  5. Step 5: Solve for x
    x = 295,369,888,510.15/726,537.30
  6. Step 6: Final answer
    x = 406,544.70

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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.