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Finding the Fourth Proportional to 415,352.76, 620,752.97 and 303,269.01

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Solution

The fourth proportional to 415,352.76, 620,752.97 and 303,269.01 is: 453,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,352.76 : 620,752.97 = 303,269.01 : x
  2. Step 2: Convert to fraction form
    415,352.76/620,752.97 = 303,269.01/x
  3. Step 3: Cross multiply
    415,352.76x = 620,752.97 × 303,269.01
  4. Step 4: Simplify right side
    415,352.76x = 188,255,138,287.37
  5. Step 5: Solve for x
    x = 188,255,138,287.37/415,352.76
  6. Step 6: Final answer
    x = 453,241.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.