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Finding the Fourth Proportional to 907,456, 1,361,388.84 and 300,242.94

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Solution

The fourth proportional to 907,456, 1,361,388.84 and 300,242.94 is: 450,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,456 : 1,361,388.84 = 300,242.94 : x
  2. Step 2: Convert to fraction form
    907,456/1,361,388.84 = 300,242.94/x
  3. Step 3: Cross multiply
    907,456x = 1,361,388.84 × 300,242.94
  4. Step 4: Simplify right side
    907,456x = 408,747,387,804.79
  5. Step 5: Solve for x
    x = 408,747,387,804.79/907,456
  6. Step 6: Final answer
    x = 450,432.18

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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.