Home / 501,435.48-691,976.87-271,992.19

Finding the Fourth Proportional to 501,435.48, 691,976.87 and 271,992.19

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Solution

The fourth proportional to 501,435.48, 691,976.87 and 271,992.19 is: 375,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,435.48 : 691,976.87 = 271,992.19 : x
  2. Step 2: Convert to fraction form
    501,435.48/691,976.87 = 271,992.19/x
  3. Step 3: Cross multiply
    501,435.48x = 691,976.87 × 271,992.19
  4. Step 4: Simplify right side
    501,435.48x = 188,212,302,940.68
  5. Step 5: Solve for x
    x = 188,212,302,940.68/501,435.48
  6. Step 6: Final answer
    x = 375,347.00

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1.5x scale

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.