Home / 794,127.55-1,191,413.69-321,145.06

Finding the Fourth Proportional to 794,127.55, 1,191,413.69 and 321,145.06

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Solution

The fourth proportional to 794,127.55, 1,191,413.69 and 321,145.06 is: 481,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,127.55 : 1,191,413.69 = 321,145.06 : x
  2. Step 2: Convert to fraction form
    794,127.55/1,191,413.69 = 321,145.06/x
  3. Step 3: Cross multiply
    794,127.55x = 1,191,413.69 × 321,145.06
  4. Step 4: Simplify right side
    794,127.55x = 382,616,620,959.87
  5. Step 5: Solve for x
    x = 382,616,620,959.87/794,127.55
  6. Step 6: Final answer
    x = 481,807.51

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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.