Home / 891,004.20-1,336,506.30-251,306.70

Finding the Fourth Proportional to 891,004.20, 1,336,506.30 and 251,306.70

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Solution

The fourth proportional to 891,004.20, 1,336,506.30 and 251,306.70 is: 376,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,004.20 : 1,336,506.30 = 251,306.70 : x
  2. Step 2: Convert to fraction form
    891,004.20/1,336,506.30 = 251,306.70/x
  3. Step 3: Cross multiply
    891,004.20x = 1,336,506.30 × 251,306.70
  4. Step 4: Simplify right side
    891,004.20x = 335,872,987,782.21
  5. Step 5: Solve for x
    x = 335,872,987,782.21/891,004.20
  6. Step 6: Final answer
    x = 376,960.05

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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.