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Finding the Fourth Proportional to 683,315.39, 942,852.15 and 392,859.01

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Solution

The fourth proportional to 683,315.39, 942,852.15 and 392,859.01 is: 542,074.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,315.39 : 942,852.15 = 392,859.01 : x
  2. Step 2: Convert to fraction form
    683,315.39/942,852.15 = 392,859.01/x
  3. Step 3: Cross multiply
    683,315.39x = 942,852.15 × 392,859.01
  4. Step 4: Simplify right side
    683,315.39x = 370,407,963,403.94
  5. Step 5: Solve for x
    x = 370,407,963,403.94/683,315.39
  6. Step 6: Final answer
    x = 542,074.67

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