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Finding the Fourth Proportional to 555,094, 765,841.76 and 361,413.28

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Solution

The fourth proportional to 555,094, 765,841.76 and 361,413.28 is: 498,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,094 : 765,841.76 = 361,413.28 : x
  2. Step 2: Convert to fraction form
    555,094/765,841.76 = 361,413.28/x
  3. Step 3: Cross multiply
    555,094x = 765,841.76 × 361,413.28
  4. Step 4: Simplify right side
    555,094x = 276,785,382,442.57
  5. Step 5: Solve for x
    x = 276,785,382,442.57/555,094
  6. Step 6: Final answer
    x = 498,627.95

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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.