Home / 719,860.11-1,079,679.20-240,096.30

Finding the Fourth Proportional to 719,860.11, 1,079,679.20 and 240,096.30

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Solution

The fourth proportional to 719,860.11, 1,079,679.20 and 240,096.30 is: 360,107.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,860.11 : 1,079,679.20 = 240,096.30 : x
  2. Step 2: Convert to fraction form
    719,860.11/1,079,679.20 = 240,096.30/x
  3. Step 3: Cross multiply
    719,860.11x = 1,079,679.20 × 240,096.30
  4. Step 4: Simplify right side
    719,860.11x = 259,226,979,906.48
  5. Step 5: Solve for x
    x = 259,226,979,906.48/719,860.11
  6. Step 6: Final answer
    x = 360,107.44

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1.5x scale

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.