Home / 897,132.66-1,238,042.12-489,235.29

Finding the Fourth Proportional to 897,132.66, 1,238,042.12 and 489,235.29

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Solution

The fourth proportional to 897,132.66, 1,238,042.12 and 489,235.29 is: 675,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,132.66 : 1,238,042.12 = 489,235.29 : x
  2. Step 2: Convert to fraction form
    897,132.66/1,238,042.12 = 489,235.29/x
  3. Step 3: Cross multiply
    897,132.66x = 1,238,042.12 × 489,235.29
  4. Step 4: Simplify right side
    897,132.66x = 605,693,893,164.24
  5. Step 5: Solve for x
    x = 605,693,893,164.24/897,132.66
  6. Step 6: Final answer
    x = 675,144.18

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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.