Home / 897,117.80-1,238,052.33-489,241.89

Finding the Fourth Proportional to 897,117.80, 1,238,052.33 and 489,241.89

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Solution

The fourth proportional to 897,117.80, 1,238,052.33 and 489,241.89 is: 675,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,117.80 : 1,238,052.33 = 489,241.89 : x
  2. Step 2: Convert to fraction form
    897,117.80/1,238,052.33 = 489,241.89/x
  3. Step 3: Cross multiply
    897,117.80x = 1,238,052.33 × 489,241.89
  4. Step 4: Simplify right side
    897,117.80x = 605,707,061,848.10
  5. Step 5: Solve for x
    x = 605,707,061,848.10/897,117.80
  6. Step 6: Final answer
    x = 675,170.04

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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.