Home / 879,142.71-1,318,820.85-248,056.59

Finding the Fourth Proportional to 879,142.71, 1,318,820.85 and 248,056.59

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Solution

The fourth proportional to 879,142.71, 1,318,820.85 and 248,056.59 is: 372,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,142.71 : 1,318,820.85 = 248,056.59 : x
  2. Step 2: Convert to fraction form
    879,142.71/1,318,820.85 = 248,056.59/x
  3. Step 3: Cross multiply
    879,142.71x = 1,318,820.85 × 248,056.59
  4. Step 4: Simplify right side
    879,142.71x = 327,142,202,871.90
  5. Step 5: Solve for x
    x = 327,142,202,871.90/879,142.71
  6. Step 6: Final answer
    x = 372,115.02

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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.