Home / 501,161.04-691,497.54-319,757.40

Finding the Fourth Proportional to 501,161.04, 691,497.54 and 319,757.40

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Solution

The fourth proportional to 501,161.04, 691,497.54 and 319,757.40 is: 441,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,161.04 : 691,497.54 = 319,757.40 : x
  2. Step 2: Convert to fraction form
    501,161.04/691,497.54 = 319,757.40/x
  3. Step 3: Cross multiply
    501,161.04x = 691,497.54 × 319,757.40
  4. Step 4: Simplify right side
    501,161.04x = 221,111,455,496.80
  5. Step 5: Solve for x
    x = 221,111,455,496.80/501,161.04
  6. Step 6: Final answer
    x = 441,198.41

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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.