Home / 621,883.98-932,772.24-378,662.04

Finding the Fourth Proportional to 621,883.98, 932,772.24 and 378,662.04

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Solution

The fourth proportional to 621,883.98, 932,772.24 and 378,662.04 is: 567,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,883.98 : 932,772.24 = 378,662.04 : x
  2. Step 2: Convert to fraction form
    621,883.98/932,772.24 = 378,662.04/x
  3. Step 3: Cross multiply
    621,883.98x = 932,772.24 × 378,662.04
  4. Step 4: Simplify right side
    621,883.98x = 353,205,439,253.77
  5. Step 5: Solve for x
    x = 353,205,439,253.77/621,883.98
  6. Step 6: Final answer
    x = 567,960.34

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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.