Home / 691,754.40-1,037,777.40-218,487.60

Finding the Fourth Proportional to 691,754.40, 1,037,777.40 and 218,487.60

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Solution

The fourth proportional to 691,754.40, 1,037,777.40 and 218,487.60 is: 327,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,754.40 : 1,037,777.40 = 218,487.60 : x
  2. Step 2: Convert to fraction form
    691,754.40/1,037,777.40 = 218,487.60/x
  3. Step 3: Cross multiply
    691,754.40x = 1,037,777.40 × 218,487.60
  4. Step 4: Simplify right side
    691,754.40x = 226,741,493,460.24
  5. Step 5: Solve for x
    x = 226,741,493,460.24/691,754.40
  6. Step 6: Final answer
    x = 327,777.45

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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.