Home / 792,321.68-1,188,845.40-343,179.92

Finding the Fourth Proportional to 792,321.68, 1,188,845.40 and 343,179.92

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Solution

The fourth proportional to 792,321.68, 1,188,845.40 and 343,179.92 is: 514,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,321.68 : 1,188,845.40 = 343,179.92 : x
  2. Step 2: Convert to fraction form
    792,321.68/1,188,845.40 = 343,179.92/x
  3. Step 3: Cross multiply
    792,321.68x = 1,188,845.40 × 343,179.92
  4. Step 4: Simplify right side
    792,321.68x = 407,987,869,264.37
  5. Step 5: Solve for x
    x = 407,987,869,264.37/792,321.68
  6. Step 6: Final answer
    x = 514,927.05

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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.