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Finding the Fourth Proportional to 637,858.92, 880,241.22 and 351,372.36

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Solution

The fourth proportional to 637,858.92, 880,241.22 and 351,372.36 is: 484,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,858.92 : 880,241.22 = 351,372.36 : x
  2. Step 2: Convert to fraction form
    637,858.92/880,241.22 = 351,372.36/x
  3. Step 3: Cross multiply
    637,858.92x = 880,241.22 × 351,372.36
  4. Step 4: Simplify right side
    637,858.92x = 309,292,434,840.68
  5. Step 5: Solve for x
    x = 309,292,434,840.68/637,858.92
  6. Step 6: Final answer
    x = 484,891.60

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1.5x scale

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.