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Finding the Fourth Proportional to 454,666.02, 627,329.38 and 293,486.56

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Solution

The fourth proportional to 454,666.02, 627,329.38 and 293,486.56 is: 404,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,666.02 : 627,329.38 = 293,486.56 : x
  2. Step 2: Convert to fraction form
    454,666.02/627,329.38 = 293,486.56/x
  3. Step 3: Cross multiply
    454,666.02x = 627,329.38 × 293,486.56
  4. Step 4: Simplify right side
    454,666.02x = 184,112,741,723.13
  5. Step 5: Solve for x
    x = 184,112,741,723.13/454,666.02
  6. Step 6: Final answer
    x = 404,940.62

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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.