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Finding the Fourth Proportional to 606,905.60, 909,969.60 and 252,060.80

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Solution

The fourth proportional to 606,905.60, 909,969.60 and 252,060.80 is: 377,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,905.60 : 909,969.60 = 252,060.80 : x
  2. Step 2: Convert to fraction form
    606,905.60/909,969.60 = 252,060.80/x
  3. Step 3: Cross multiply
    606,905.60x = 909,969.60 × 252,060.80
  4. Step 4: Simplify right side
    606,905.60x = 229,367,665,351.68
  5. Step 5: Solve for x
    x = 229,367,665,351.68/606,905.60
  6. Step 6: Final answer
    x = 377,929.72

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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.