Home / 691,502.40-1,037,399.40-218,235.60

Finding the Fourth Proportional to 691,502.40, 1,037,399.40 and 218,235.60

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Solution

The fourth proportional to 691,502.40, 1,037,399.40 and 218,235.60 is: 327,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,502.40 : 1,037,399.40 = 218,235.60 : x
  2. Step 2: Convert to fraction form
    691,502.40/1,037,399.40 = 218,235.60/x
  3. Step 3: Cross multiply
    691,502.40x = 1,037,399.40 × 218,235.60
  4. Step 4: Simplify right side
    691,502.40x = 226,397,480,498.64
  5. Step 5: Solve for x
    x = 226,397,480,498.64/691,502.40
  6. Step 6: Final answer
    x = 327,399.41

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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.