Home / 747,336.24-1,120,996.98-342,413.64

Finding the Fourth Proportional to 747,336.24, 1,120,996.98 and 342,413.64

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Solution

The fourth proportional to 747,336.24, 1,120,996.98 and 342,413.64 is: 513,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,336.24 : 1,120,996.98 = 342,413.64 : x
  2. Step 2: Convert to fraction form
    747,336.24/1,120,996.98 = 342,413.64/x
  3. Step 3: Cross multiply
    747,336.24x = 1,120,996.98 × 342,413.64
  4. Step 4: Simplify right side
    747,336.24x = 383,844,656,350.81
  5. Step 5: Solve for x
    x = 383,844,656,350.81/747,336.24
  6. Step 6: Final answer
    x = 513,617.08

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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.