Home / 770,049.66-1,155,271.29-296,607.90

Finding the Fourth Proportional to 770,049.66, 1,155,271.29 and 296,607.90

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Solution

The fourth proportional to 770,049.66, 1,155,271.29 and 296,607.90 is: 444,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,049.66 : 1,155,271.29 = 296,607.90 : x
  2. Step 2: Convert to fraction form
    770,049.66/1,155,271.29 = 296,607.90/x
  3. Step 3: Cross multiply
    770,049.66x = 1,155,271.29 × 296,607.90
  4. Step 4: Simplify right side
    770,049.66x = 342,662,591,257.19
  5. Step 5: Solve for x
    x = 342,662,591,257.19/770,049.66
  6. Step 6: Final answer
    x = 444,987.65

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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.