Home / 897,134.63-1,238,016.44-489,225.11

Finding the Fourth Proportional to 897,134.63, 1,238,016.44 and 489,225.11

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Solution

The fourth proportional to 897,134.63, 1,238,016.44 and 489,225.11 is: 675,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,134.63 : 1,238,016.44 = 489,225.11 : x
  2. Step 2: Convert to fraction form
    897,134.63/1,238,016.44 = 489,225.11/x
  3. Step 3: Cross multiply
    897,134.63x = 1,238,016.44 × 489,225.11
  4. Step 4: Simplify right side
    897,134.63x = 605,668,726,594.68
  5. Step 5: Solve for x
    x = 605,668,726,594.68/897,134.63
  6. Step 6: Final answer
    x = 675,114.64

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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.