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Finding the Fourth Proportional to 419,953.35, 629,930.03 and 314,977.35

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Solution

The fourth proportional to 419,953.35, 629,930.03 and 314,977.35 is: 472,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,953.35 : 629,930.03 = 314,977.35 : x
  2. Step 2: Convert to fraction form
    419,953.35/629,930.03 = 314,977.35/x
  3. Step 3: Cross multiply
    419,953.35x = 629,930.03 × 314,977.35
  4. Step 4: Simplify right side
    419,953.35x = 198,413,689,959.93
  5. Step 5: Solve for x
    x = 198,413,689,959.93/419,953.35
  6. Step 6: Final answer
    x = 472,466.03

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Similar ratio
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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.