Home / 879,231.20-1,318,270.80-346,431.20

Finding the Fourth Proportional to 879,231.20, 1,318,270.80 and 346,431.20

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Solution

The fourth proportional to 879,231.20, 1,318,270.80 and 346,431.20 is: 519,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,231.20 : 1,318,270.80 = 346,431.20 : x
  2. Step 2: Convert to fraction form
    879,231.20/1,318,270.80 = 346,431.20/x
  3. Step 3: Cross multiply
    879,231.20x = 1,318,270.80 × 346,431.20
  4. Step 4: Simplify right side
    879,231.20x = 456,690,135,168.96
  5. Step 5: Solve for x
    x = 456,690,135,168.96/879,231.20
  6. Step 6: Final answer
    x = 519,419.85

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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.