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Finding the Fourth Proportional to 800,626.62, 1,203,820.63 and 738,210.33

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Solution

The fourth proportional to 800,626.62, 1,203,820.63 and 738,210.33 is: 1,109,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,626.62 : 1,203,820.63 = 738,210.33 : x
  2. Step 2: Convert to fraction form
    800,626.62/1,203,820.63 = 738,210.33/x
  3. Step 3: Cross multiply
    800,626.62x = 1,203,820.63 × 738,210.33
  4. Step 4: Simplify right side
    800,626.62x = 888,672,824,533.11
  5. Step 5: Solve for x
    x = 888,672,824,533.11/800,626.62
  6. Step 6: Final answer
    x = 1,109,971.62

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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.