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Finding the Fourth Proportional to 677,323.26, 934,716.60 and 371,427.57

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Solution

The fourth proportional to 677,323.26, 934,716.60 and 371,427.57 is: 512,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,323.26 : 934,716.60 = 371,427.57 : x
  2. Step 2: Convert to fraction form
    677,323.26/934,716.60 = 371,427.57/x
  3. Step 3: Cross multiply
    677,323.26x = 934,716.60 × 371,427.57
  4. Step 4: Simplify right side
    677,323.26x = 347,179,515,376.66
  5. Step 5: Solve for x
    x = 347,179,515,376.66/677,323.26
  6. Step 6: Final answer
    x = 512,575.81

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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.