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Finding the Fourth Proportional to 637,176.52, 879,162.40 and 368,749

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Solution

The fourth proportional to 637,176.52, 879,162.40 and 368,749 is: 508,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,176.52 : 879,162.40 = 368,749 : x
  2. Step 2: Convert to fraction form
    637,176.52/879,162.40 = 368,749/x
  3. Step 3: Cross multiply
    637,176.52x = 879,162.40 × 368,749
  4. Step 4: Simplify right side
    637,176.52x = 324,190,255,837.60
  5. Step 5: Solve for x
    x = 324,190,255,837.60/637,176.52
  6. Step 6: Final answer
    x = 508,791.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.