Home / 711,849.88-982,350.22-385,161.90

Finding the Fourth Proportional to 711,849.88, 982,350.22 and 385,161.90

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Solution

The fourth proportional to 711,849.88, 982,350.22 and 385,161.90 is: 531,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,849.88 : 982,350.22 = 385,161.90 : x
  2. Step 2: Convert to fraction form
    711,849.88/982,350.22 = 385,161.90/x
  3. Step 3: Cross multiply
    711,849.88x = 982,350.22 × 385,161.90
  4. Step 4: Simplify right side
    711,849.88x = 378,363,877,200.62
  5. Step 5: Solve for x
    x = 378,363,877,200.62/711,849.88
  6. Step 6: Final answer
    x = 531,522.01

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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.