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Finding the Fourth Proportional to 869,716.73, 1,200,168.56 and 482,528.02

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Solution

The fourth proportional to 869,716.73, 1,200,168.56 and 482,528.02 is: 665,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,716.73 : 1,200,168.56 = 482,528.02 : x
  2. Step 2: Convert to fraction form
    869,716.73/1,200,168.56 = 482,528.02/x
  3. Step 3: Cross multiply
    869,716.73x = 1,200,168.56 × 482,528.02
  4. Step 4: Simplify right side
    869,716.73x = 579,114,958,923.05
  5. Step 5: Solve for x
    x = 579,114,958,923.05/869,716.73
  6. Step 6: Final answer
    x = 665,866.18

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Double scale
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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.