Home / 720,627.29-1,081,072.56-240,809.62

Finding the Fourth Proportional to 720,627.29, 1,081,072.56 and 240,809.62

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Solution

The fourth proportional to 720,627.29, 1,081,072.56 and 240,809.62 is: 361,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,627.29 : 1,081,072.56 = 240,809.62 : x
  2. Step 2: Convert to fraction form
    720,627.29/1,081,072.56 = 240,809.62/x
  3. Step 3: Cross multiply
    720,627.29x = 1,081,072.56 × 240,809.62
  4. Step 4: Simplify right side
    720,627.29x = 260,332,672,366.03
  5. Step 5: Solve for x
    x = 260,332,672,366.03/720,627.29
  6. Step 6: Final answer
    x = 361,258.41

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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.