Home / 655,851.06-983,914.83-212,584.50

Finding the Fourth Proportional to 655,851.06, 983,914.83 and 212,584.50

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Solution

The fourth proportional to 655,851.06, 983,914.83 and 212,584.50 is: 318,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,851.06 : 983,914.83 = 212,584.50 : x
  2. Step 2: Convert to fraction form
    655,851.06/983,914.83 = 212,584.50/x
  3. Step 3: Cross multiply
    655,851.06x = 983,914.83 × 212,584.50
  4. Step 4: Simplify right side
    655,851.06x = 209,165,042,178.14
  5. Step 5: Solve for x
    x = 209,165,042,178.14/655,851.06
  6. Step 6: Final answer
    x = 318,921.56

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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.