Home / 589,639.70-813,620.58-331,481.36

Finding the Fourth Proportional to 589,639.70, 813,620.58 and 331,481.36

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Solution

The fourth proportional to 589,639.70, 813,620.58 and 331,481.36 is: 457,398.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,639.70 : 813,620.58 = 331,481.36 : x
  2. Step 2: Convert to fraction form
    589,639.70/813,620.58 = 331,481.36/x
  3. Step 3: Cross multiply
    589,639.70x = 813,620.58 × 331,481.36
  4. Step 4: Simplify right side
    589,639.70x = 269,700,056,382.39
  5. Step 5: Solve for x
    x = 269,700,056,382.39/589,639.70
  6. Step 6: Final answer
    x = 457,398.06

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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.