Home / 817,846.92-1,226,819.39-256,881.42

Finding the Fourth Proportional to 817,846.92, 1,226,819.39 and 256,881.42

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Solution

The fourth proportional to 817,846.92, 1,226,819.39 and 256,881.42 is: 385,337.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,846.92 : 1,226,819.39 = 256,881.42 : x
  2. Step 2: Convert to fraction form
    817,846.92/1,226,819.39 = 256,881.42/x
  3. Step 3: Cross multiply
    817,846.92x = 1,226,819.39 × 256,881.42
  4. Step 4: Simplify right side
    817,846.92x = 315,147,105,702.33
  5. Step 5: Solve for x
    x = 315,147,105,702.33/817,846.92
  6. Step 6: Final answer
    x = 385,337.52

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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.