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Finding the Fourth Proportional to 474,706.80, 655,079.07 and 270,823.72

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Solution

The fourth proportional to 474,706.80, 655,079.07 and 270,823.72 is: 373,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,706.80 : 655,079.07 = 270,823.72 : x
  2. Step 2: Convert to fraction form
    474,706.80/655,079.07 = 270,823.72/x
  3. Step 3: Cross multiply
    474,706.80x = 655,079.07 × 270,823.72
  4. Step 4: Simplify right side
    474,706.80x = 177,410,950,631.54
  5. Step 5: Solve for x
    x = 177,410,950,631.54/474,706.80
  6. Step 6: Final answer
    x = 373,727.43

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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.