Home / 925,669.35-1,388,606.10-294,435.54

Finding the Fourth Proportional to 925,669.35, 1,388,606.10 and 294,435.54

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Solution

The fourth proportional to 925,669.35, 1,388,606.10 and 294,435.54 is: 441,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,669.35 : 1,388,606.10 = 294,435.54 : x
  2. Step 2: Convert to fraction form
    925,669.35/1,388,606.10 = 294,435.54/x
  3. Step 3: Cross multiply
    925,669.35x = 1,388,606.10 × 294,435.54
  4. Step 4: Simplify right side
    925,669.35x = 408,854,986,900.79
  5. Step 5: Solve for x
    x = 408,854,986,900.79/925,669.35
  6. Step 6: Final answer
    x = 441,685.78

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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.