Home / 897,165.34-1,238,087.39-489,267.97

Finding the Fourth Proportional to 897,165.34, 1,238,087.39 and 489,267.97

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Solution

The fourth proportional to 897,165.34, 1,238,087.39 and 489,267.97 is: 675,189.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,165.34 : 1,238,087.39 = 489,267.97 : x
  2. Step 2: Convert to fraction form
    897,165.34/1,238,087.39 = 489,267.97/x
  3. Step 3: Cross multiply
    897,165.34x = 1,238,087.39 × 489,267.97
  4. Step 4: Simplify right side
    897,165.34x = 605,756,498,446.34
  5. Step 5: Solve for x
    x = 605,756,498,446.34/897,165.34
  6. Step 6: Final answer
    x = 675,189.37

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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.