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Finding the Fourth Proportional to 525,772.27, 788,658.42 and 126,413.06

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Solution

The fourth proportional to 525,772.27, 788,658.42 and 126,413.06 is: 189,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,772.27 : 788,658.42 = 126,413.06 : x
  2. Step 2: Convert to fraction form
    525,772.27/788,658.42 = 126,413.06/x
  3. Step 3: Cross multiply
    525,772.27x = 788,658.42 × 126,413.06
  4. Step 4: Simplify right side
    525,772.27x = 99,696,719,591.61
  5. Step 5: Solve for x
    x = 99,696,719,591.61/525,772.27
  6. Step 6: Final answer
    x = 189,619.58

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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.