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Finding the Fourth Proportional to 652,226.85, 899,857.85 and 394,007.13

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Solution

The fourth proportional to 652,226.85, 899,857.85 and 394,007.13 is: 543,599.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,226.85 : 899,857.85 = 394,007.13 : x
  2. Step 2: Convert to fraction form
    652,226.85/899,857.85 = 394,007.13/x
  3. Step 3: Cross multiply
    652,226.85x = 899,857.85 × 394,007.13
  4. Step 4: Simplify right side
    652,226.85x = 354,550,406,916.44
  5. Step 5: Solve for x
    x = 354,550,406,916.44/652,226.85
  6. Step 6: Final answer
    x = 543,599.83

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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.