Home / 660,723.56-991,084.79-187,413.02

Finding the Fourth Proportional to 660,723.56, 991,084.79 and 187,413.02

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Solution

The fourth proportional to 660,723.56, 991,084.79 and 187,413.02 is: 281,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,723.56 : 991,084.79 = 187,413.02 : x
  2. Step 2: Convert to fraction form
    660,723.56/991,084.79 = 187,413.02/x
  3. Step 3: Cross multiply
    660,723.56x = 991,084.79 × 187,413.02
  4. Step 4: Simplify right side
    660,723.56x = 185,742,187,677.48
  5. Step 5: Solve for x
    x = 185,742,187,677.48/660,723.56
  6. Step 6: Final answer
    x = 281,119.37

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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.