Home / 727,831.59-1,004,411.58-422,089.25

Finding the Fourth Proportional to 727,831.59, 1,004,411.58 and 422,089.25

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Solution

The fourth proportional to 727,831.59, 1,004,411.58 and 422,089.25 is: 582,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,831.59 : 1,004,411.58 = 422,089.25 : x
  2. Step 2: Convert to fraction form
    727,831.59/1,004,411.58 = 422,089.25/x
  3. Step 3: Cross multiply
    727,831.59x = 1,004,411.58 × 422,089.25
  4. Step 4: Simplify right side
    727,831.59x = 423,951,330,820.84
  5. Step 5: Solve for x
    x = 423,951,330,820.84/727,831.59
  6. Step 6: Final answer
    x = 582,485.47

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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.