Home / 691,842.80-1,037,795.24-212,035.44

Finding the Fourth Proportional to 691,842.80, 1,037,795.24 and 212,035.44

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Solution

The fourth proportional to 691,842.80, 1,037,795.24 and 212,035.44 is: 318,062.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,842.80 : 1,037,795.24 = 212,035.44 : x
  2. Step 2: Convert to fraction form
    691,842.80/1,037,795.24 = 212,035.44/x
  3. Step 3: Cross multiply
    691,842.80x = 1,037,795.24 × 212,035.44
  4. Step 4: Simplify right side
    691,842.80x = 220,049,370,343.31
  5. Step 5: Solve for x
    x = 220,049,370,343.31/691,842.80
  6. Step 6: Final answer
    x = 318,062.67

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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.