Home / 842,034.94-1,263,136.66-243,010.78

Finding the Fourth Proportional to 842,034.94, 1,263,136.66 and 243,010.78

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Solution

The fourth proportional to 842,034.94, 1,263,136.66 and 243,010.78 is: 364,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,034.94 : 1,263,136.66 = 243,010.78 : x
  2. Step 2: Convert to fraction form
    842,034.94/1,263,136.66 = 243,010.78/x
  3. Step 3: Cross multiply
    842,034.94x = 1,263,136.66 × 243,010.78
  4. Step 4: Simplify right side
    842,034.94x = 306,955,824,993.20
  5. Step 5: Solve for x
    x = 306,955,824,993.20/842,034.94
  6. Step 6: Final answer
    x = 364,540.48

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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.