Home / 805,831.74-1,112,074.92-443,270.88

Finding the Fourth Proportional to 805,831.74, 1,112,074.92 and 443,270.88

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Solution

The fourth proportional to 805,831.74, 1,112,074.92 and 443,270.88 is: 611,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,831.74 : 1,112,074.92 = 443,270.88 : x
  2. Step 2: Convert to fraction form
    805,831.74/1,112,074.92 = 443,270.88/x
  3. Step 3: Cross multiply
    805,831.74x = 1,112,074.92 × 443,270.88
  4. Step 4: Simplify right side
    805,831.74x = 492,950,428,414.33
  5. Step 5: Solve for x
    x = 492,950,428,414.33/805,831.74
  6. Step 6: Final answer
    x = 611,728.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.