Home / 881,679.91-1,216,731.60-494,581.13

Finding the Fourth Proportional to 881,679.91, 1,216,731.60 and 494,581.13

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Solution

The fourth proportional to 881,679.91, 1,216,731.60 and 494,581.13 is: 682,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,679.91 : 1,216,731.60 = 494,581.13 : x
  2. Step 2: Convert to fraction form
    881,679.91/1,216,731.60 = 494,581.13/x
  3. Step 3: Cross multiply
    881,679.91x = 1,216,731.60 × 494,581.13
  4. Step 4: Simplify right side
    881,679.91x = 601,772,487,161.80
  5. Step 5: Solve for x
    x = 601,772,487,161.80/881,679.91
  6. Step 6: Final answer
    x = 682,529.43

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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.