Home / 841,434.44-1,261,401.39-308,831.90

Finding the Fourth Proportional to 841,434.44, 1,261,401.39 and 308,831.90

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Solution

The fourth proportional to 841,434.44, 1,261,401.39 and 308,831.90 is: 462,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,434.44 : 1,261,401.39 = 308,831.90 : x
  2. Step 2: Convert to fraction form
    841,434.44/1,261,401.39 = 308,831.90/x
  3. Step 3: Cross multiply
    841,434.44x = 1,261,401.39 × 308,831.90
  4. Step 4: Simplify right side
    841,434.44x = 389,560,981,629.33
  5. Step 5: Solve for x
    x = 389,560,981,629.33/841,434.44
  6. Step 6: Final answer
    x = 462,972.47

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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.