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Finding the Fourth Proportional to 640,824.83, 960,671.54 and 241,745.85

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Solution

The fourth proportional to 640,824.83, 960,671.54 and 241,745.85 is: 362,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,824.83 : 960,671.54 = 241,745.85 : x
  2. Step 2: Convert to fraction form
    640,824.83/960,671.54 = 241,745.85/x
  3. Step 3: Cross multiply
    640,824.83x = 960,671.54 × 241,745.85
  4. Step 4: Simplify right side
    640,824.83x = 232,238,356,799.38
  5. Step 5: Solve for x
    x = 232,238,356,799.38/640,824.83
  6. Step 6: Final answer
    x = 362,405.37

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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.