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Finding the Fourth Proportional to 525,772.39, 788,658.22 and 126,413.02

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Solution

The fourth proportional to 525,772.39, 788,658.22 and 126,413.02 is: 189,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,772.39 : 788,658.22 = 126,413.02 : x
  2. Step 2: Convert to fraction form
    525,772.39/788,658.22 = 126,413.02/x
  3. Step 3: Cross multiply
    525,772.39x = 788,658.22 × 126,413.02
  4. Step 4: Simplify right side
    525,772.39x = 99,696,667,338.02
  5. Step 5: Solve for x
    x = 99,696,667,338.02/525,772.39
  6. Step 6: Final answer
    x = 189,619.44

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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.