Home / 505,320.96-758,527.38-449,518.44

Finding the Fourth Proportional to 505,320.96, 758,527.38 and 449,518.44

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Solution

The fourth proportional to 505,320.96, 758,527.38 and 449,518.44 is: 674,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,320.96 : 758,527.38 = 449,518.44 : x
  2. Step 2: Convert to fraction form
    505,320.96/758,527.38 = 449,518.44/x
  3. Step 3: Cross multiply
    505,320.96x = 758,527.38 × 449,518.44
  4. Step 4: Simplify right side
    505,320.96x = 340,972,044,554.89
  5. Step 5: Solve for x
    x = 340,972,044,554.89/505,320.96
  6. Step 6: Final answer
    x = 674,763.31

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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.