Home / 989,299.96-1,483,975.50-269,647.58

Finding the Fourth Proportional to 989,299.96, 1,483,975.50 and 269,647.58

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Solution

The fourth proportional to 989,299.96, 1,483,975.50 and 269,647.58 is: 404,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,299.96 : 1,483,975.50 = 269,647.58 : x
  2. Step 2: Convert to fraction form
    989,299.96/1,483,975.50 = 269,647.58/x
  3. Step 3: Cross multiply
    989,299.96x = 1,483,975.50 × 269,647.58
  4. Step 4: Simplify right side
    989,299.96x = 400,150,402,354.29
  5. Step 5: Solve for x
    x = 400,150,402,354.29/989,299.96
  6. Step 6: Final answer
    x = 404,478.34

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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.