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Finding the Fourth Proportional to 538,892.30, 808,338.45 and 444,413.90

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Solution

The fourth proportional to 538,892.30, 808,338.45 and 444,413.90 is: 666,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,892.30 : 808,338.45 = 444,413.90 : x
  2. Step 2: Convert to fraction form
    538,892.30/808,338.45 = 444,413.90/x
  3. Step 3: Cross multiply
    538,892.30x = 808,338.45 × 444,413.90
  4. Step 4: Simplify right side
    538,892.30x = 359,236,843,084.46
  5. Step 5: Solve for x
    x = 359,236,843,084.46/538,892.30
  6. Step 6: Final answer
    x = 666,620.85

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Similar ratio
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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.