Home / 818,472.96-1,227,711.87-285,994.08

Finding the Fourth Proportional to 818,472.96, 1,227,711.87 and 285,994.08

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Solution

The fourth proportional to 818,472.96, 1,227,711.87 and 285,994.08 is: 428,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,472.96 : 1,227,711.87 = 285,994.08 : x
  2. Step 2: Convert to fraction form
    818,472.96/1,227,711.87 = 285,994.08/x
  3. Step 3: Cross multiply
    818,472.96x = 1,227,711.87 × 285,994.08
  4. Step 4: Simplify right side
    818,472.96x = 351,118,326,765.73
  5. Step 5: Solve for x
    x = 351,118,326,765.73/818,472.96
  6. Step 6: Final answer
    x = 428,991.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.