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Finding the Fourth Proportional to 471,750.73, 650,914.45 and 280,726.81

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Solution

The fourth proportional to 471,750.73, 650,914.45 and 280,726.81 is: 387,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,750.73 : 650,914.45 = 280,726.81 : x
  2. Step 2: Convert to fraction form
    471,750.73/650,914.45 = 280,726.81/x
  3. Step 3: Cross multiply
    471,750.73x = 650,914.45 × 280,726.81
  4. Step 4: Simplify right side
    471,750.73x = 182,729,137,131.40
  5. Step 5: Solve for x
    x = 182,729,137,131.40/471,750.73
  6. Step 6: Final answer
    x = 387,342.56

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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.