Home / 809,373.93-1,213,775.87-269,483.60

Finding the Fourth Proportional to 809,373.93, 1,213,775.87 and 269,483.60

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Solution

The fourth proportional to 809,373.93, 1,213,775.87 and 269,483.60 is: 404,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,373.93 : 1,213,775.87 = 269,483.60 : x
  2. Step 2: Convert to fraction form
    809,373.93/1,213,775.87 = 269,483.60/x
  3. Step 3: Cross multiply
    809,373.93x = 1,213,775.87 × 269,483.60
  4. Step 4: Simplify right side
    809,373.93x = 327,092,683,624.44
  5. Step 5: Solve for x
    x = 327,092,683,624.44/809,373.93
  6. Step 6: Final answer
    x = 404,130.49

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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.