Home / 989,298.60-1,483,991.10-324,450.60

Finding the Fourth Proportional to 989,298.60, 1,483,991.10 and 324,450.60

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Solution

The fourth proportional to 989,298.60, 1,483,991.10 and 324,450.60 is: 486,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,298.60 : 1,483,991.10 = 324,450.60 : x
  2. Step 2: Convert to fraction form
    989,298.60/1,483,991.10 = 324,450.60/x
  3. Step 3: Cross multiply
    989,298.60x = 1,483,991.10 × 324,450.60
  4. Step 4: Simplify right side
    989,298.60x = 481,481,802,789.66
  5. Step 5: Solve for x
    x = 481,481,802,789.66/989,298.60
  6. Step 6: Final answer
    x = 486,690.07

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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.