Home / 878,697.20-1,318,794.70-346,591.90

Finding the Fourth Proportional to 878,697.20, 1,318,794.70 and 346,591.90

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Solution

The fourth proportional to 878,697.20, 1,318,794.70 and 346,591.90 is: 520,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,697.20 : 1,318,794.70 = 346,591.90 : x
  2. Step 2: Convert to fraction form
    878,697.20/1,318,794.70 = 346,591.90/x
  3. Step 3: Cross multiply
    878,697.20x = 1,318,794.70 × 346,591.90
  4. Step 4: Simplify right side
    878,697.20x = 457,083,560,782.93
  5. Step 5: Solve for x
    x = 457,083,560,782.93/878,697.20
  6. Step 6: Final answer
    x = 520,183.24

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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.