Home / 888,178.20-1,331,975.70-327,139.80

Finding the Fourth Proportional to 888,178.20, 1,331,975.70 and 327,139.80

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Solution

The fourth proportional to 888,178.20, 1,331,975.70 and 327,139.80 is: 490,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,178.20 : 1,331,975.70 = 327,139.80 : x
  2. Step 2: Convert to fraction form
    888,178.20/1,331,975.70 = 327,139.80/x
  3. Step 3: Cross multiply
    888,178.20x = 1,331,975.70 × 327,139.80
  4. Step 4: Simplify right side
    888,178.20x = 435,742,264,102.86
  5. Step 5: Solve for x
    x = 435,742,264,102.86/888,178.20
  6. Step 6: Final answer
    x = 490,602.30

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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.