Home / 834,575.22-1,251,828.18-385,146.72

Finding the Fourth Proportional to 834,575.22, 1,251,828.18 and 385,146.72

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Solution

The fourth proportional to 834,575.22, 1,251,828.18 and 385,146.72 is: 577,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,575.22 : 1,251,828.18 = 385,146.72 : x
  2. Step 2: Convert to fraction form
    834,575.22/1,251,828.18 = 385,146.72/x
  3. Step 3: Cross multiply
    834,575.22x = 1,251,828.18 × 385,146.72
  4. Step 4: Simplify right side
    834,575.22x = 482,137,517,530.57
  5. Step 5: Solve for x
    x = 482,137,517,530.57/834,575.22
  6. Step 6: Final answer
    x = 577,704.09

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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.