Home / 879,110.20-1,318,665.30-248,015.80

Finding the Fourth Proportional to 879,110.20, 1,318,665.30 and 248,015.80

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Solution

The fourth proportional to 879,110.20, 1,318,665.30 and 248,015.80 is: 372,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,110.20 : 1,318,665.30 = 248,015.80 : x
  2. Step 2: Convert to fraction form
    879,110.20/1,318,665.30 = 248,015.80/x
  3. Step 3: Cross multiply
    879,110.20x = 1,318,665.30 × 248,015.80
  4. Step 4: Simplify right side
    879,110.20x = 327,049,829,311.74
  5. Step 5: Solve for x
    x = 327,049,829,311.74/879,110.20
  6. Step 6: Final answer
    x = 372,023.70

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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.