Home / 998,629.59-1,497,955.32-288,663.78

Finding the Fourth Proportional to 998,629.59, 1,497,955.32 and 288,663.78

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Solution

The fourth proportional to 998,629.59, 1,497,955.32 and 288,663.78 is: 432,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,629.59 : 1,497,955.32 = 288,663.78 : x
  2. Step 2: Convert to fraction form
    998,629.59/1,497,955.32 = 288,663.78/x
  3. Step 3: Cross multiply
    998,629.59x = 1,497,955.32 × 288,663.78
  4. Step 4: Simplify right side
    998,629.59x = 432,405,444,942.31
  5. Step 5: Solve for x
    x = 432,405,444,942.31/998,629.59
  6. Step 6: Final answer
    x = 432,998.83

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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.