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Finding the Fourth Proportional to 412,659.08, 569,718 and 269,658.44

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Solution

The fourth proportional to 412,659.08, 569,718 and 269,658.44 is: 372,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,659.08 : 569,718 = 269,658.44 : x
  2. Step 2: Convert to fraction form
    412,659.08/569,718 = 269,658.44/x
  3. Step 3: Cross multiply
    412,659.08x = 569,718 × 269,658.44
  4. Step 4: Simplify right side
    412,659.08x = 153,629,267,119.92
  5. Step 5: Solve for x
    x = 153,629,267,119.92/412,659.08
  6. Step 6: Final answer
    x = 372,291.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.