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Finding the Fourth Proportional to 652,242.72, 900,104.16 and 394,083.75

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Solution

The fourth proportional to 652,242.72, 900,104.16 and 394,083.75 is: 543,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,242.72 : 900,104.16 = 394,083.75 : x
  2. Step 2: Convert to fraction form
    652,242.72/900,104.16 = 394,083.75/x
  3. Step 3: Cross multiply
    652,242.72x = 900,104.16 × 394,083.75
  4. Step 4: Simplify right side
    652,242.72x = 354,716,422,763.40
  5. Step 5: Solve for x
    x = 354,716,422,763.40/652,242.72
  6. Step 6: Final answer
    x = 543,841.14

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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.