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Finding the Fourth Proportional to 486,046.60, 729,069.90 and 276,094.60

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Solution

The fourth proportional to 486,046.60, 729,069.90 and 276,094.60 is: 414,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,046.60 : 729,069.90 = 276,094.60 : x
  2. Step 2: Convert to fraction form
    486,046.60/729,069.90 = 276,094.60/x
  3. Step 3: Cross multiply
    486,046.60x = 729,069.90 × 276,094.60
  4. Step 4: Simplify right side
    486,046.60x = 201,292,262,412.54
  5. Step 5: Solve for x
    x = 201,292,262,412.54/486,046.60
  6. Step 6: Final answer
    x = 414,141.90

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Similar ratio
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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.