Home / 782,664.92-1,173,517.64-333,129.80

Finding the Fourth Proportional to 782,664.92, 1,173,517.64 and 333,129.80

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Solution

The fourth proportional to 782,664.92, 1,173,517.64 and 333,129.80 is: 499,490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,664.92 : 1,173,517.64 = 333,129.80 : x
  2. Step 2: Convert to fraction form
    782,664.92/1,173,517.64 = 333,129.80/x
  3. Step 3: Cross multiply
    782,664.92x = 1,173,517.64 × 333,129.80
  4. Step 4: Simplify right side
    782,664.92x = 390,933,696,709.67
  5. Step 5: Solve for x
    x = 390,933,696,709.67/782,664.92
  6. Step 6: Final answer
    x = 499,490.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.