Home / 999,424.96-1,499,356.32-289,481.92

Finding the Fourth Proportional to 999,424.96, 1,499,356.32 and 289,481.92

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Solution

The fourth proportional to 999,424.96, 1,499,356.32 and 289,481.92 is: 434,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,424.96 : 1,499,356.32 = 289,481.92 : x
  2. Step 2: Convert to fraction form
    999,424.96/1,499,356.32 = 289,481.92/x
  3. Step 3: Cross multiply
    999,424.96x = 1,499,356.32 × 289,481.92
  4. Step 4: Simplify right side
    999,424.96x = 434,036,546,277.73
  5. Step 5: Solve for x
    x = 434,036,546,277.73/999,424.96
  6. Step 6: Final answer
    x = 434,286.28

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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.