Home / 915,517.96-1,373,014.50-275,883.64

Finding the Fourth Proportional to 915,517.96, 1,373,014.50 and 275,883.64

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Solution

The fourth proportional to 915,517.96, 1,373,014.50 and 275,883.64 is: 413,746.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,517.96 : 1,373,014.50 = 275,883.64 : x
  2. Step 2: Convert to fraction form
    915,517.96/1,373,014.50 = 275,883.64/x
  3. Step 3: Cross multiply
    915,517.96x = 1,373,014.50 × 275,883.64
  4. Step 4: Simplify right side
    915,517.96x = 378,792,238,032.78
  5. Step 5: Solve for x
    x = 378,792,238,032.78/915,517.96
  6. Step 6: Final answer
    x = 413,746.38

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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.