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Finding the Fourth Proportional to 490,562.40, 735,843.60 and 253,977.60

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Solution

The fourth proportional to 490,562.40, 735,843.60 and 253,977.60 is: 380,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,562.40 : 735,843.60 = 253,977.60 : x
  2. Step 2: Convert to fraction form
    490,562.40/735,843.60 = 253,977.60/x
  3. Step 3: Cross multiply
    490,562.40x = 735,843.60 × 253,977.60
  4. Step 4: Simplify right side
    490,562.40x = 186,887,791,503.36
  5. Step 5: Solve for x
    x = 186,887,791,503.36/490,562.40
  6. Step 6: Final answer
    x = 380,966.40

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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.