Home / 691,925.78-1,037,882.50-218,611.13

Finding the Fourth Proportional to 691,925.78, 1,037,882.50 and 218,611.13

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Solution

The fourth proportional to 691,925.78, 1,037,882.50 and 218,611.13 is: 327,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,925.78 : 1,037,882.50 = 218,611.13 : x
  2. Step 2: Convert to fraction form
    691,925.78/1,037,882.50 = 218,611.13/x
  3. Step 3: Cross multiply
    691,925.78x = 1,037,882.50 × 218,611.13
  4. Step 4: Simplify right side
    691,925.78x = 226,892,660,396.29
  5. Step 5: Solve for x
    x = 226,892,660,396.29/691,925.78
  6. Step 6: Final answer
    x = 327,914.74

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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.