Home / 792,356.25-1,188,626.82-287,155.20

Finding the Fourth Proportional to 792,356.25, 1,188,626.82 and 287,155.20

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Solution

The fourth proportional to 792,356.25, 1,188,626.82 and 287,155.20 is: 430,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,356.25 : 1,188,626.82 = 287,155.20 : x
  2. Step 2: Convert to fraction form
    792,356.25/1,188,626.82 = 287,155.20/x
  3. Step 3: Cross multiply
    792,356.25x = 1,188,626.82 × 287,155.20
  4. Step 4: Simplify right side
    792,356.25x = 341,320,372,222.46
  5. Step 5: Solve for x
    x = 341,320,372,222.46/792,356.25
  6. Step 6: Final answer
    x = 430,766.30

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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.