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Finding the Fourth Proportional to 652,242.44, 900,103.79 and 394,083.50

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Solution

The fourth proportional to 652,242.44, 900,103.79 and 394,083.50 is: 543,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,242.44 : 900,103.79 = 394,083.50 : x
  2. Step 2: Convert to fraction form
    652,242.44/900,103.79 = 394,083.50/x
  3. Step 3: Cross multiply
    652,242.44x = 900,103.79 × 394,083.50
  4. Step 4: Simplify right side
    652,242.44x = 354,716,048,411.16
  5. Step 5: Solve for x
    x = 354,716,048,411.16/652,242.44
  6. Step 6: Final answer
    x = 543,840.79

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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.