Home / 989,198.82-1,483,795.92-649,784.72

Finding the Fourth Proportional to 989,198.82, 1,483,795.92 and 649,784.72

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Solution

The fourth proportional to 989,198.82, 1,483,795.92 and 649,784.72 is: 974,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,198.82 : 1,483,795.92 = 649,784.72 : x
  2. Step 2: Convert to fraction form
    989,198.82/1,483,795.92 = 649,784.72/x
  3. Step 3: Cross multiply
    989,198.82x = 1,483,795.92 × 649,784.72
  4. Step 4: Simplify right side
    989,198.82x = 964,147,916,414.34
  5. Step 5: Solve for x
    x = 964,147,916,414.34/989,198.82
  6. Step 6: Final answer
    x = 974,675.56

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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.