Home / 897,140.34-1,238,083.38-489,264.39

Finding the Fourth Proportional to 897,140.34, 1,238,083.38 and 489,264.39

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Solution

The fourth proportional to 897,140.34, 1,238,083.38 and 489,264.39 is: 675,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,140.34 : 1,238,083.38 = 489,264.39 : x
  2. Step 2: Convert to fraction form
    897,140.34/1,238,083.38 = 489,264.39/x
  3. Step 3: Cross multiply
    897,140.34x = 1,238,083.38 × 489,264.39
  4. Step 4: Simplify right side
    897,140.34x = 605,750,109,684.84
  5. Step 5: Solve for x
    x = 605,750,109,684.84/897,140.34
  6. Step 6: Final answer
    x = 675,201.06

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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.