Home / 691,842.52-1,037,794.87-212,035.18

Finding the Fourth Proportional to 691,842.52, 1,037,794.87 and 212,035.18

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Solution

The fourth proportional to 691,842.52, 1,037,794.87 and 212,035.18 is: 318,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,842.52 : 1,037,794.87 = 212,035.18 : x
  2. Step 2: Convert to fraction form
    691,842.52/1,037,794.87 = 212,035.18/x
  3. Step 3: Cross multiply
    691,842.52x = 1,037,794.87 × 212,035.18
  4. Step 4: Simplify right side
    691,842.52x = 220,049,022,063.53
  5. Step 5: Solve for x
    x = 220,049,022,063.53/691,842.52
  6. Step 6: Final answer
    x = 318,062.30

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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.