Home / 669,131.32-923,403.36-363,207.96

Finding the Fourth Proportional to 669,131.32, 923,403.36 and 363,207.96

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Solution

The fourth proportional to 669,131.32, 923,403.36 and 363,207.96 is: 501,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,131.32 : 923,403.36 = 363,207.96 : x
  2. Step 2: Convert to fraction form
    669,131.32/923,403.36 = 363,207.96/x
  3. Step 3: Cross multiply
    669,131.32x = 923,403.36 × 363,207.96
  4. Step 4: Simplify right side
    669,131.32x = 335,387,450,642.75
  5. Step 5: Solve for x
    x = 335,387,450,642.75/669,131.32
  6. Step 6: Final answer
    x = 501,228.15

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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.