Home / 691,759.52-1,037,670.37-211,952.18

Finding the Fourth Proportional to 691,759.52, 1,037,670.37 and 211,952.18

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Solution

The fourth proportional to 691,759.52, 1,037,670.37 and 211,952.18 is: 317,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,759.52 : 1,037,670.37 = 211,952.18 : x
  2. Step 2: Convert to fraction form
    691,759.52/1,037,670.37 = 211,952.18/x
  3. Step 3: Cross multiply
    691,759.52x = 1,037,670.37 × 211,952.18
  4. Step 4: Simplify right side
    691,759.52x = 219,936,491,324.67
  5. Step 5: Solve for x
    x = 219,936,491,324.67/691,759.52
  6. Step 6: Final answer
    x = 317,937.79

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1.5x scale

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.