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Finding the Fourth Proportional to 586,346.71, 809,160.02 and 318,074.71

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Solution

The fourth proportional to 586,346.71, 809,160.02 and 318,074.71 is: 438,943.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,346.71 : 809,160.02 = 318,074.71 : x
  2. Step 2: Convert to fraction form
    586,346.71/809,160.02 = 318,074.71/x
  3. Step 3: Cross multiply
    586,346.71x = 809,160.02 × 318,074.71
  4. Step 4: Simplify right side
    586,346.71x = 257,373,338,705.09
  5. Step 5: Solve for x
    x = 257,373,338,705.09/586,346.71
  6. Step 6: Final answer
    x = 438,943.95

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