Home / 801,089.80-1,200,176.70-633,711.40

Finding the Fourth Proportional to 801,089.80, 1,200,176.70 and 633,711.40

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Solution

The fourth proportional to 801,089.80, 1,200,176.70 and 633,711.40 is: 949,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,089.80 : 1,200,176.70 = 633,711.40 : x
  2. Step 2: Convert to fraction form
    801,089.80/1,200,176.70 = 633,711.40/x
  3. Step 3: Cross multiply
    801,089.80x = 1,200,176.70 × 633,711.40
  4. Step 4: Simplify right side
    801,089.80x = 760,565,656,804.38
  5. Step 5: Solve for x
    x = 760,565,656,804.38/801,089.80
  6. Step 6: Final answer
    x = 949,413.73

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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.