Home / 897,165.48-1,238,072.76-489,270.48

Finding the Fourth Proportional to 897,165.48, 1,238,072.76 and 489,270.48

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Solution

The fourth proportional to 897,165.48, 1,238,072.76 and 489,270.48 is: 675,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,165.48 : 1,238,072.76 = 489,270.48 : x
  2. Step 2: Convert to fraction form
    897,165.48/1,238,072.76 = 489,270.48/x
  3. Step 3: Cross multiply
    897,165.48x = 1,238,072.76 × 489,270.48
  4. Step 4: Simplify right side
    897,165.48x = 605,752,453,560.13
  5. Step 5: Solve for x
    x = 605,752,453,560.13/897,165.48
  6. Step 6: Final answer
    x = 675,184.75

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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.