Home / 897,147.67-1,238,048.26-489,252.73

Finding the Fourth Proportional to 897,147.67, 1,238,048.26 and 489,252.73

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Solution

The fourth proportional to 897,147.67, 1,238,048.26 and 489,252.73 is: 675,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,147.67 : 1,238,048.26 = 489,252.73 : x
  2. Step 2: Convert to fraction form
    897,147.67/1,238,048.26 = 489,252.73/x
  3. Step 3: Cross multiply
    897,147.67x = 1,238,048.26 × 489,252.73
  4. Step 4: Simplify right side
    897,147.67x = 605,718,491,076.75
  5. Step 5: Solve for x
    x = 605,718,491,076.75/897,147.67
  6. Step 6: Final answer
    x = 675,160.30

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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.