Home / 640,815.03-961,288.29-241,791.57

Finding the Fourth Proportional to 640,815.03, 961,288.29 and 241,791.57

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Solution

The fourth proportional to 640,815.03, 961,288.29 and 241,791.57 is: 362,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,815.03 : 961,288.29 = 241,791.57 : x
  2. Step 2: Convert to fraction form
    640,815.03/961,288.29 = 241,791.57/x
  3. Step 3: Cross multiply
    640,815.03x = 961,288.29 × 241,791.57
  4. Step 4: Simplify right side
    640,815.03x = 232,431,404,861.72
  5. Step 5: Solve for x
    x = 232,431,404,861.72/640,815.03
  6. Step 6: Final answer
    x = 362,712.16

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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.