Home / 497,942.89-687,169.38-271,588.39

Finding the Fourth Proportional to 497,942.89, 687,169.38 and 271,588.39

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Solution

The fourth proportional to 497,942.89, 687,169.38 and 271,588.39 is: 374,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,942.89 : 687,169.38 = 271,588.39 : x
  2. Step 2: Convert to fraction form
    497,942.89/687,169.38 = 271,588.39/x
  3. Step 3: Cross multiply
    497,942.89x = 687,169.38 × 271,588.39
  4. Step 4: Simplify right side
    497,942.89x = 186,627,225,571.50
  5. Step 5: Solve for x
    x = 186,627,225,571.50/497,942.89
  6. Step 6: Final answer
    x = 374,796.45

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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.