Home / 890,304.11-1,336,790.24-770,729.89

Finding the Fourth Proportional to 890,304.11, 1,336,790.24 and 770,729.89

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Solution

The fourth proportional to 890,304.11, 1,336,790.24 and 770,729.89 is: 1,157,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,304.11 : 1,336,790.24 = 770,729.89 : x
  2. Step 2: Convert to fraction form
    890,304.11/1,336,790.24 = 770,729.89/x
  3. Step 3: Cross multiply
    890,304.11x = 1,336,790.24 × 770,729.89
  4. Step 4: Simplify right side
    890,304.11x = 1,030,304,194,628.27
  5. Step 5: Solve for x
    x = 1,030,304,194,628.27/890,304.11
  6. Step 6: Final answer
    x = 1,157,249.73

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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.