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Finding the Fourth Proportional to 505,090.20, 757,635.30 and 505,090.20

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Solution

The fourth proportional to 505,090.20, 757,635.30 and 505,090.20 is: 757,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,090.20 : 757,635.30 = 505,090.20 : x
  2. Step 2: Convert to fraction form
    505,090.20/757,635.30 = 505,090.20/x
  3. Step 3: Cross multiply
    505,090.20x = 757,635.30 × 505,090.20
  4. Step 4: Simplify right side
    505,090.20x = 382,674,165,204.06
  5. Step 5: Solve for x
    x = 382,674,165,204.06/505,090.20
  6. Step 6: Final answer
    x = 757,635.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.