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Finding the Fourth Proportional to 628,287.26, 942,426.49 and 254,304.86

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Solution

The fourth proportional to 628,287.26, 942,426.49 and 254,304.86 is: 381,455.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,287.26 : 942,426.49 = 254,304.86 : x
  2. Step 2: Convert to fraction form
    628,287.26/942,426.49 = 254,304.86/x
  3. Step 3: Cross multiply
    628,287.26x = 942,426.49 × 254,304.86
  4. Step 4: Simplify right side
    628,287.26x = 239,663,636,599.74
  5. Step 5: Solve for x
    x = 239,663,636,599.74/628,287.26
  6. Step 6: Final answer
    x = 381,455.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.