Home / 687,222.64-1,030,982.03-207,410.27

Finding the Fourth Proportional to 687,222.64, 1,030,982.03 and 207,410.27

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Solution

The fourth proportional to 687,222.64, 1,030,982.03 and 207,410.27 is: 311,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,222.64 : 1,030,982.03 = 207,410.27 : x
  2. Step 2: Convert to fraction form
    687,222.64/1,030,982.03 = 207,410.27/x
  3. Step 3: Cross multiply
    687,222.64x = 1,030,982.03 × 207,410.27
  4. Step 4: Simplify right side
    687,222.64x = 213,836,260,170.40
  5. Step 5: Solve for x
    x = 213,836,260,170.40/687,222.64
  6. Step 6: Final answer
    x = 311,160.09

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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.