Home / 905,912.55-1,359,040.28-298,735.74

Finding the Fourth Proportional to 905,912.55, 1,359,040.28 and 298,735.74

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Solution

The fourth proportional to 905,912.55, 1,359,040.28 and 298,735.74 is: 448,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,912.55 : 1,359,040.28 = 298,735.74 : x
  2. Step 2: Convert to fraction form
    905,912.55/1,359,040.28 = 298,735.74/x
  3. Step 3: Cross multiply
    905,912.55x = 1,359,040.28 × 298,735.74
  4. Step 4: Simplify right side
    905,912.55x = 405,993,902,241.93
  5. Step 5: Solve for x
    x = 405,993,902,241.93/905,912.55
  6. Step 6: Final answer
    x = 448,160.15

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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.