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Finding the Fourth Proportional to 801,491, 1,106,057.58 and 443,795

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Solution

The fourth proportional to 801,491, 1,106,057.58 and 443,795 is: 612,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,491 : 1,106,057.58 = 443,795 : x
  2. Step 2: Convert to fraction form
    801,491/1,106,057.58 = 443,795/x
  3. Step 3: Cross multiply
    801,491x = 1,106,057.58 × 443,795
  4. Step 4: Simplify right side
    801,491x = 490,862,823,716.10
  5. Step 5: Solve for x
    x = 490,862,823,716.10/801,491
  6. Step 6: Final answer
    x = 612,437.10

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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.