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Finding the Fourth Proportional to 635,528.45, 952,830.77 and 298,395.51

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Solution

The fourth proportional to 635,528.45, 952,830.77 and 298,395.51 is: 447,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,528.45 : 952,830.77 = 298,395.51 : x
  2. Step 2: Convert to fraction form
    635,528.45/952,830.77 = 298,395.51/x
  3. Step 3: Cross multiply
    635,528.45x = 952,830.77 × 298,395.51
  4. Step 4: Simplify right side
    635,528.45x = 284,320,422,065.87
  5. Step 5: Solve for x
    x = 284,320,422,065.87/635,528.45
  6. Step 6: Final answer
    x = 447,376.39

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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.