Home / 787,413.47-1,181,722.84-609,479.15

Finding the Fourth Proportional to 787,413.47, 1,181,722.84 and 609,479.15

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Solution

The fourth proportional to 787,413.47, 1,181,722.84 and 609,479.15 is: 914,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,413.47 : 1,181,722.84 = 609,479.15 : x
  2. Step 2: Convert to fraction form
    787,413.47/1,181,722.84 = 609,479.15/x
  3. Step 3: Cross multiply
    787,413.47x = 1,181,722.84 × 609,479.15
  4. Step 4: Simplify right side
    787,413.47x = 720,235,424,626.47
  5. Step 5: Solve for x
    x = 720,235,424,626.47/787,413.47
  6. Step 6: Final answer
    x = 914,685.18

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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.