Home / 880,371.87-1,216,052.82-728,025.45

Finding the Fourth Proportional to 880,371.87, 1,216,052.82 and 728,025.45

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Solution

The fourth proportional to 880,371.87, 1,216,052.82 and 728,025.45 is: 1,005,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,371.87 : 1,216,052.82 = 728,025.45 : x
  2. Step 2: Convert to fraction form
    880,371.87/1,216,052.82 = 728,025.45/x
  3. Step 3: Cross multiply
    880,371.87x = 1,216,052.82 × 728,025.45
  4. Step 4: Simplify right side
    880,371.87x = 885,317,396,944.07
  5. Step 5: Solve for x
    x = 885,317,396,944.07/880,371.87
  6. Step 6: Final answer
    x = 1,005,617.55

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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.