Home / 722,029.74-1,083,376.50-272,906.61

Finding the Fourth Proportional to 722,029.74, 1,083,376.50 and 272,906.61

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Solution

The fourth proportional to 722,029.74, 1,083,376.50 and 272,906.61 is: 409,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,029.74 : 1,083,376.50 = 272,906.61 : x
  2. Step 2: Convert to fraction form
    722,029.74/1,083,376.50 = 272,906.61/x
  3. Step 3: Cross multiply
    722,029.74x = 1,083,376.50 × 272,906.61
  4. Step 4: Simplify right side
    722,029.74x = 295,660,607,968.67
  5. Step 5: Solve for x
    x = 295,660,607,968.67/722,029.74
  6. Step 6: Final answer
    x = 409,485.36

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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.