Home / 655,848.06-983,910.33-212,581.50

Finding the Fourth Proportional to 655,848.06, 983,910.33 and 212,581.50

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Solution

The fourth proportional to 655,848.06, 983,910.33 and 212,581.50 is: 318,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,848.06 : 983,910.33 = 212,581.50 : x
  2. Step 2: Convert to fraction form
    655,848.06/983,910.33 = 212,581.50/x
  3. Step 3: Cross multiply
    655,848.06x = 983,910.33 × 212,581.50
  4. Step 4: Simplify right side
    655,848.06x = 209,161,133,816.90
  5. Step 5: Solve for x
    x = 209,161,133,816.90/655,848.06
  6. Step 6: Final answer
    x = 318,917.06

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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.