Home / 419,508.40-629,056.56-179,588.38

Finding the Fourth Proportional to 419,508.40, 629,056.56 and 179,588.38

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Solution

The fourth proportional to 419,508.40, 629,056.56 and 179,588.38 is: 269,294.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,508.40 : 629,056.56 = 179,588.38 : x
  2. Step 2: Convert to fraction form
    419,508.40/629,056.56 = 179,588.38/x
  3. Step 3: Cross multiply
    419,508.40x = 629,056.56 × 179,588.38
  4. Step 4: Simplify right side
    419,508.40x = 112,971,248,538.77
  5. Step 5: Solve for x
    x = 112,971,248,538.77/419,508.40
  6. Step 6: Final answer
    x = 269,294.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.