Home / 691,494.08-1,037,241.28-218,216.32

Finding the Fourth Proportional to 691,494.08, 1,037,241.28 and 218,216.32

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Solution

The fourth proportional to 691,494.08, 1,037,241.28 and 218,216.32 is: 327,324.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,494.08 : 1,037,241.28 = 218,216.32 : x
  2. Step 2: Convert to fraction form
    691,494.08/1,037,241.28 = 218,216.32/x
  3. Step 3: Cross multiply
    691,494.08x = 1,037,241.28 × 218,216.32
  4. Step 4: Simplify right side
    691,494.08x = 226,342,975,073.69
  5. Step 5: Solve for x
    x = 226,342,975,073.69/691,494.08
  6. Step 6: Final answer
    x = 327,324.53

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1.5x scale

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.