Home / 727,831.42-1,004,411.34-422,089.07

Finding the Fourth Proportional to 727,831.42, 1,004,411.34 and 422,089.07

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Solution

The fourth proportional to 727,831.42, 1,004,411.34 and 422,089.07 is: 582,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,831.42 : 1,004,411.34 = 422,089.07 : x
  2. Step 2: Convert to fraction form
    727,831.42/1,004,411.34 = 422,089.07/x
  3. Step 3: Cross multiply
    727,831.42x = 1,004,411.34 × 422,089.07
  4. Step 4: Simplify right side
    727,831.42x = 423,951,046,287.61
  5. Step 5: Solve for x
    x = 423,951,046,287.61/727,831.42
  6. Step 6: Final answer
    x = 582,485.23

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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.