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Finding the Fourth Proportional to 486,886.60, 730,604.94 and 262,242.28

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Solution

The fourth proportional to 486,886.60, 730,604.94 and 262,242.28 is: 393,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,886.60 : 730,604.94 = 262,242.28 : x
  2. Step 2: Convert to fraction form
    486,886.60/730,604.94 = 262,242.28/x
  3. Step 3: Cross multiply
    486,886.60x = 730,604.94 × 262,242.28
  4. Step 4: Simplify right side
    486,886.60x = 191,595,505,244.86
  5. Step 5: Solve for x
    x = 191,595,505,244.86/486,886.60
  6. Step 6: Final answer
    x = 393,511.56

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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.