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Finding the Fourth Proportional to 877,916, 1,211,524.08 and 475,508

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Solution

The fourth proportional to 877,916, 1,211,524.08 and 475,508 is: 656,201.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,916 : 1,211,524.08 = 475,508 : x
  2. Step 2: Convert to fraction form
    877,916/1,211,524.08 = 475,508/x
  3. Step 3: Cross multiply
    877,916x = 1,211,524.08 × 475,508
  4. Step 4: Simplify right side
    877,916x = 576,089,392,232.64
  5. Step 5: Solve for x
    x = 576,089,392,232.64/877,916
  6. Step 6: Final answer
    x = 656,201.04

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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.