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Finding the Fourth Proportional to 580,961.76, 801,816.24 and 354,739.68

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Solution

The fourth proportional to 580,961.76, 801,816.24 and 354,739.68 is: 489,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,961.76 : 801,816.24 = 354,739.68 : x
  2. Step 2: Convert to fraction form
    580,961.76/801,816.24 = 354,739.68/x
  3. Step 3: Cross multiply
    580,961.76x = 801,816.24 × 354,739.68
  4. Step 4: Simplify right side
    580,961.76x = 284,436,036,396.40
  5. Step 5: Solve for x
    x = 284,436,036,396.40/580,961.76
  6. Step 6: Final answer
    x = 489,595.11

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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.