Home / 897,096.92-1,238,023.64-489,221.08

Finding the Fourth Proportional to 897,096.92, 1,238,023.64 and 489,221.08

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Solution

The fourth proportional to 897,096.92, 1,238,023.64 and 489,221.08 is: 675,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,096.92 : 1,238,023.64 = 489,221.08 : x
  2. Step 2: Convert to fraction form
    897,096.92/1,238,023.64 = 489,221.08/x
  3. Step 3: Cross multiply
    897,096.92x = 1,238,023.64 × 489,221.08
  4. Step 4: Simplify right side
    897,096.92x = 605,667,262,226.33
  5. Step 5: Solve for x
    x = 605,667,262,226.33/897,096.92
  6. Step 6: Final answer
    x = 675,141.39

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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.