Home / 489,906.10-734,945.19-223,693.57

Finding the Fourth Proportional to 489,906.10, 734,945.19 and 223,693.57

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Solution

The fourth proportional to 489,906.10, 734,945.19 and 223,693.57 is: 335,579.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,906.10 : 734,945.19 = 223,693.57 : x
  2. Step 2: Convert to fraction form
    489,906.10/734,945.19 = 223,693.57/x
  3. Step 3: Cross multiply
    489,906.10x = 734,945.19 × 223,693.57
  4. Step 4: Simplify right side
    489,906.10x = 164,402,513,305.43
  5. Step 5: Solve for x
    x = 164,402,513,305.43/489,906.10
  6. Step 6: Final answer
    x = 335,579.64

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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.