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Finding the Fourth Proportional to 555,199.26, 766,175.38 and 300,550.64

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Solution

The fourth proportional to 555,199.26, 766,175.38 and 300,550.64 is: 414,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,199.26 : 766,175.38 = 300,550.64 : x
  2. Step 2: Convert to fraction form
    555,199.26/766,175.38 = 300,550.64/x
  3. Step 3: Cross multiply
    555,199.26x = 766,175.38 × 300,550.64
  4. Step 4: Simplify right side
    555,199.26x = 230,274,500,811.24
  5. Step 5: Solve for x
    x = 230,274,500,811.24/555,199.26
  6. Step 6: Final answer
    x = 414,760.10

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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.