Home / 912,735.88-1,369,286.40-281,626

Finding the Fourth Proportional to 912,735.88, 1,369,286.40 and 281,626

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Solution

The fourth proportional to 912,735.88, 1,369,286.40 and 281,626 is: 422,495.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,735.88 : 1,369,286.40 = 281,626 : x
  2. Step 2: Convert to fraction form
    912,735.88/1,369,286.40 = 281,626/x
  3. Step 3: Cross multiply
    912,735.88x = 1,369,286.40 × 281,626
  4. Step 4: Simplify right side
    912,735.88x = 385,626,651,686.40
  5. Step 5: Solve for x
    x = 385,626,651,686.40/912,735.88
  6. Step 6: Final answer
    x = 422,495.34

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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.