Home / 817,847.92-1,226,820.89-256,882.42

Finding the Fourth Proportional to 817,847.92, 1,226,820.89 and 256,882.42

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Solution

The fourth proportional to 817,847.92, 1,226,820.89 and 256,882.42 is: 385,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,847.92 : 1,226,820.89 = 256,882.42 : x
  2. Step 2: Convert to fraction form
    817,847.92/1,226,820.89 = 256,882.42/x
  3. Step 3: Cross multiply
    817,847.92x = 1,226,820.89 × 256,882.42
  4. Step 4: Simplify right side
    817,847.92x = 315,148,719,129.75
  5. Step 5: Solve for x
    x = 315,148,719,129.75/817,847.92
  6. Step 6: Final answer
    x = 385,339.02

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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.