Home / 836,446.79-1,253,964.74-362,775.40

Finding the Fourth Proportional to 836,446.79, 1,253,964.74 and 362,775.40

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Solution

The fourth proportional to 836,446.79, 1,253,964.74 and 362,775.40 is: 543,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,446.79 : 1,253,964.74 = 362,775.40 : x
  2. Step 2: Convert to fraction form
    836,446.79/1,253,964.74 = 362,775.40/x
  3. Step 3: Cross multiply
    836,446.79x = 1,253,964.74 × 362,775.40
  4. Step 4: Simplify right side
    836,446.79x = 454,907,555,190.61
  5. Step 5: Solve for x
    x = 454,907,555,190.61/836,446.79
  6. Step 6: Final answer
    x = 543,857.13

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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.