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Finding the Fourth Proportional to 513,110.10, 769,665.15 and 513,110.10

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Solution

The fourth proportional to 513,110.10, 769,665.15 and 513,110.10 is: 769,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,110.10 : 769,665.15 = 513,110.10 : x
  2. Step 2: Convert to fraction form
    513,110.10/769,665.15 = 513,110.10/x
  3. Step 3: Cross multiply
    513,110.10x = 769,665.15 × 513,110.10
  4. Step 4: Simplify right side
    513,110.10x = 394,922,962,083.02
  5. Step 5: Solve for x
    x = 394,922,962,083.02/513,110.10
  6. Step 6: Final answer
    x = 769,665.15

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Similar ratio
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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.