Home / 896,947.29-1,237,764.38-489,049.92

Finding the Fourth Proportional to 896,947.29, 1,237,764.38 and 489,049.92

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Solution

The fourth proportional to 896,947.29, 1,237,764.38 and 489,049.92 is: 674,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,947.29 : 1,237,764.38 = 489,049.92 : x
  2. Step 2: Convert to fraction form
    896,947.29/1,237,764.38 = 489,049.92/x
  3. Step 3: Cross multiply
    896,947.29x = 1,237,764.38 × 489,049.92
  4. Step 4: Simplify right side
    896,947.29x = 605,328,568,572.60
  5. Step 5: Solve for x
    x = 605,328,568,572.60/896,947.29
  6. Step 6: Final answer
    x = 674,876.41

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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.