Home / 834,251.20-1,251,376.78-384,839.10

Finding the Fourth Proportional to 834,251.20, 1,251,376.78 and 384,839.10

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Solution

The fourth proportional to 834,251.20, 1,251,376.78 and 384,839.10 is: 577,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,251.20 : 1,251,376.78 = 384,839.10 : x
  2. Step 2: Convert to fraction form
    834,251.20/1,251,376.78 = 384,839.10/x
  3. Step 3: Cross multiply
    834,251.20x = 1,251,376.78 × 384,839.10
  4. Step 4: Simplify right side
    834,251.20x = 481,578,713,776.10
  5. Step 5: Solve for x
    x = 481,578,713,776.10/834,251.20
  6. Step 6: Final answer
    x = 577,258.64

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1.5x scale

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.