Home / 879,142.72-1,318,820.86-248,056.60

Finding the Fourth Proportional to 879,142.72, 1,318,820.86 and 248,056.60

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Solution

The fourth proportional to 879,142.72, 1,318,820.86 and 248,056.60 is: 372,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,142.72 : 1,318,820.86 = 248,056.60 : x
  2. Step 2: Convert to fraction form
    879,142.72/1,318,820.86 = 248,056.60/x
  3. Step 3: Cross multiply
    879,142.72x = 1,318,820.86 × 248,056.60
  4. Step 4: Simplify right side
    879,142.72x = 327,142,218,540.68
  5. Step 5: Solve for x
    x = 327,142,218,540.68/879,142.72
  6. Step 6: Final answer
    x = 372,115.03

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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.