Home / 989,295.97-1,483,969.50-269,643.57

Finding the Fourth Proportional to 989,295.97, 1,483,969.50 and 269,643.57

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Solution

The fourth proportional to 989,295.97, 1,483,969.50 and 269,643.57 is: 404,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,295.97 : 1,483,969.50 = 269,643.57 : x
  2. Step 2: Convert to fraction form
    989,295.97/1,483,969.50 = 269,643.57/x
  3. Step 3: Cross multiply
    989,295.97x = 1,483,969.50 × 269,643.57
  4. Step 4: Simplify right side
    989,295.97x = 400,142,837,291.93
  5. Step 5: Solve for x
    x = 400,142,837,291.93/989,295.97
  6. Step 6: Final answer
    x = 404,472.32

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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.