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Finding the Fourth Proportional to 800,608.68, 1,104,838.69 and 438,034

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Solution

The fourth proportional to 800,608.68, 1,104,838.69 and 438,034 is: 604,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,608.68 : 1,104,838.69 = 438,034 : x
  2. Step 2: Convert to fraction form
    800,608.68/1,104,838.69 = 438,034/x
  3. Step 3: Cross multiply
    800,608.68x = 1,104,838.69 × 438,034
  4. Step 4: Simplify right side
    800,608.68x = 483,956,910,735.46
  5. Step 5: Solve for x
    x = 483,956,910,735.46/800,608.68
  6. Step 6: Final answer
    x = 604,486.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.