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Finding the Fourth Proportional to 580,639.76, 801,347.24 and 338,981.72

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Solution

The fourth proportional to 580,639.76, 801,347.24 and 338,981.72 is: 467,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,639.76 : 801,347.24 = 338,981.72 : x
  2. Step 2: Convert to fraction form
    580,639.76/801,347.24 = 338,981.72/x
  3. Step 3: Cross multiply
    580,639.76x = 801,347.24 × 338,981.72
  4. Step 4: Simplify right side
    580,639.76x = 271,642,065,732.45
  5. Step 5: Solve for x
    x = 271,642,065,732.45/580,639.76
  6. Step 6: Final answer
    x = 467,832.35

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