Home / 659,413.24-988,981.46-185,987.88

Finding the Fourth Proportional to 659,413.24, 988,981.46 and 185,987.88

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Solution

The fourth proportional to 659,413.24, 988,981.46 and 185,987.88 is: 278,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,413.24 : 988,981.46 = 185,987.88 : x
  2. Step 2: Convert to fraction form
    659,413.24/988,981.46 = 185,987.88/x
  3. Step 3: Cross multiply
    659,413.24x = 988,981.46 × 185,987.88
  4. Step 4: Simplify right side
    659,413.24x = 183,938,565,104.71
  5. Step 5: Solve for x
    x = 183,938,565,104.71/659,413.24
  6. Step 6: Final answer
    x = 278,942.78

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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.