Home / 834,240.32-1,251,732.68-384,719.88

Finding the Fourth Proportional to 834,240.32, 1,251,732.68 and 384,719.88

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Solution

The fourth proportional to 834,240.32, 1,251,732.68 and 384,719.88 is: 577,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,240.32 : 1,251,732.68 = 384,719.88 : x
  2. Step 2: Convert to fraction form
    834,240.32/1,251,732.68 = 384,719.88/x
  3. Step 3: Cross multiply
    834,240.32x = 1,251,732.68 × 384,719.88
  4. Step 4: Simplify right side
    834,240.32x = 481,566,446,441.68
  5. Step 5: Solve for x
    x = 481,566,446,441.68/834,240.32
  6. Step 6: Final answer
    x = 577,251.46

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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.