Home / 662,942.20-994,413.30-242,519.80

Finding the Fourth Proportional to 662,942.20, 994,413.30 and 242,519.80

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Solution

The fourth proportional to 662,942.20, 994,413.30 and 242,519.80 is: 363,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,942.20 : 994,413.30 = 242,519.80 : x
  2. Step 2: Convert to fraction form
    662,942.20/994,413.30 = 242,519.80/x
  3. Step 3: Cross multiply
    662,942.20x = 994,413.30 × 242,519.80
  4. Step 4: Simplify right side
    662,942.20x = 241,164,914,633.34
  5. Step 5: Solve for x
    x = 241,164,914,633.34/662,942.20
  6. Step 6: Final answer
    x = 363,779.70

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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.