Home / 410,977.86-616,149.54-260,905.92

Finding the Fourth Proportional to 410,977.86, 616,149.54 and 260,905.92

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Solution

The fourth proportional to 410,977.86, 616,149.54 and 260,905.92 is: 391,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,977.86 : 616,149.54 = 260,905.92 : x
  2. Step 2: Convert to fraction form
    410,977.86/616,149.54 = 260,905.92/x
  3. Step 3: Cross multiply
    410,977.86x = 616,149.54 × 260,905.92
  4. Step 4: Simplify right side
    410,977.86x = 160,757,062,591.28
  5. Step 5: Solve for x
    x = 160,757,062,591.28/410,977.86
  6. Step 6: Final answer
    x = 391,157.48

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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.