Home / 419,815.14-629,411.67-253,564.26

Finding the Fourth Proportional to 419,815.14, 629,411.67 and 253,564.26

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Solution

The fourth proportional to 419,815.14, 629,411.67 and 253,564.26 is: 380,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,815.14 : 629,411.67 = 253,564.26 : x
  2. Step 2: Convert to fraction form
    419,815.14/629,411.67 = 253,564.26/x
  3. Step 3: Cross multiply
    419,815.14x = 629,411.67 × 253,564.26
  4. Step 4: Simplify right side
    419,815.14x = 159,596,304,338.91
  5. Step 5: Solve for x
    x = 159,596,304,338.91/419,815.14
  6. Step 6: Final answer
    x = 380,158.52

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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.