Home / 930,660.40-1,396,233.60-299,589.40

Finding the Fourth Proportional to 930,660.40, 1,396,233.60 and 299,589.40

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Solution

The fourth proportional to 930,660.40, 1,396,233.60 and 299,589.40 is: 449,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,660.40 : 1,396,233.60 = 299,589.40 : x
  2. Step 2: Convert to fraction form
    930,660.40/1,396,233.60 = 299,589.40/x
  3. Step 3: Cross multiply
    930,660.40x = 1,396,233.60 × 299,589.40
  4. Step 4: Simplify right side
    930,660.40x = 418,296,786,483.84
  5. Step 5: Solve for x
    x = 418,296,786,483.84/930,660.40
  6. Step 6: Final answer
    x = 449,462.32

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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.