Home / 409,725.20-565,219.80-273,792.53

Finding the Fourth Proportional to 409,725.20, 565,219.80 and 273,792.53

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Solution

The fourth proportional to 409,725.20, 565,219.80 and 273,792.53 is: 377,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,725.20 : 565,219.80 = 273,792.53 : x
  2. Step 2: Convert to fraction form
    409,725.20/565,219.80 = 273,792.53/x
  3. Step 3: Cross multiply
    409,725.20x = 565,219.80 × 273,792.53
  4. Step 4: Simplify right side
    409,725.20x = 154,752,959,048.09
  5. Step 5: Solve for x
    x = 154,752,959,048.09/409,725.20
  6. Step 6: Final answer
    x = 377,699.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.