Home / 655,846.06-983,907.33-212,579.50

Finding the Fourth Proportional to 655,846.06, 983,907.33 and 212,579.50

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Solution

The fourth proportional to 655,846.06, 983,907.33 and 212,579.50 is: 318,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,846.06 : 983,907.33 = 212,579.50 : x
  2. Step 2: Convert to fraction form
    655,846.06/983,907.33 = 212,579.50/x
  3. Step 3: Cross multiply
    655,846.06x = 983,907.33 × 212,579.50
  4. Step 4: Simplify right side
    655,846.06x = 209,158,528,257.74
  5. Step 5: Solve for x
    x = 209,158,528,257.74/655,846.06
  6. Step 6: Final answer
    x = 318,914.06

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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.