Home / 691,873.10-1,037,712.45-218,606.30

Finding the Fourth Proportional to 691,873.10, 1,037,712.45 and 218,606.30

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Solution

The fourth proportional to 691,873.10, 1,037,712.45 and 218,606.30 is: 327,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,873.10 : 1,037,712.45 = 218,606.30 : x
  2. Step 2: Convert to fraction form
    691,873.10/1,037,712.45 = 218,606.30/x
  3. Step 3: Cross multiply
    691,873.10x = 1,037,712.45 × 218,606.30
  4. Step 4: Simplify right side
    691,873.10x = 226,850,479,158.44
  5. Step 5: Solve for x
    x = 226,850,479,158.44/691,873.10
  6. Step 6: Final answer
    x = 327,878.74

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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.