Home / 748,393.75-1,122,078.22-268,610.90

Finding the Fourth Proportional to 748,393.75, 1,122,078.22 and 268,610.90

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Solution

The fourth proportional to 748,393.75, 1,122,078.22 and 268,610.90 is: 402,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,393.75 : 1,122,078.22 = 268,610.90 : x
  2. Step 2: Convert to fraction form
    748,393.75/1,122,078.22 = 268,610.90/x
  3. Step 3: Cross multiply
    748,393.75x = 1,122,078.22 × 268,610.90
  4. Step 4: Simplify right side
    748,393.75x = 301,402,440,544.60
  5. Step 5: Solve for x
    x = 301,402,440,544.60/748,393.75
  6. Step 6: Final answer
    x = 402,732.44

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1.5x scale

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.