Home / 794,127.28-1,191,413.28-321,144.88

Finding the Fourth Proportional to 794,127.28, 1,191,413.28 and 321,144.88

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Solution

The fourth proportional to 794,127.28, 1,191,413.28 and 321,144.88 is: 481,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,127.28 : 1,191,413.28 = 321,144.88 : x
  2. Step 2: Convert to fraction form
    794,127.28/1,191,413.28 = 321,144.88/x
  3. Step 3: Cross multiply
    794,127.28x = 1,191,413.28 × 321,144.88
  4. Step 4: Simplify right side
    794,127.28x = 382,616,274,836.01
  5. Step 5: Solve for x
    x = 382,616,274,836.01/794,127.28
  6. Step 6: Final answer
    x = 481,807.24

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1.5x scale

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.