Home / 694,516.15-1,041,971.46-221,238.01

Finding the Fourth Proportional to 694,516.15, 1,041,971.46 and 221,238.01

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Solution

The fourth proportional to 694,516.15, 1,041,971.46 and 221,238.01 is: 331,919.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,516.15 : 1,041,971.46 = 221,238.01 : x
  2. Step 2: Convert to fraction form
    694,516.15/1,041,971.46 = 221,238.01/x
  3. Step 3: Cross multiply
    694,516.15x = 1,041,971.46 × 221,238.01
  4. Step 4: Simplify right side
    694,516.15x = 230,523,692,287.20
  5. Step 5: Solve for x
    x = 230,523,692,287.20/694,516.15
  6. Step 6: Final answer
    x = 331,919.84

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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.