Home / 770,049.12-1,155,270.48-296,607.36

Finding the Fourth Proportional to 770,049.12, 1,155,270.48 and 296,607.36

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Solution

The fourth proportional to 770,049.12, 1,155,270.48 and 296,607.36 is: 444,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,049.12 : 1,155,270.48 = 296,607.36 : x
  2. Step 2: Convert to fraction form
    770,049.12/1,155,270.48 = 296,607.36/x
  3. Step 3: Cross multiply
    770,049.12x = 1,155,270.48 × 296,607.36
  4. Step 4: Simplify right side
    770,049.12x = 342,661,727,158.73
  5. Step 5: Solve for x
    x = 342,661,727,158.73/770,049.12
  6. Step 6: Final answer
    x = 444,986.84

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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.