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Finding the Fourth Proportional to 572,406.40, 858,609.60 and 336,210.40

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Solution

The fourth proportional to 572,406.40, 858,609.60 and 336,210.40 is: 504,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,406.40 : 858,609.60 = 336,210.40 : x
  2. Step 2: Convert to fraction form
    572,406.40/858,609.60 = 336,210.40/x
  3. Step 3: Cross multiply
    572,406.40x = 858,609.60 × 336,210.40
  4. Step 4: Simplify right side
    572,406.40x = 288,673,477,059.84
  5. Step 5: Solve for x
    x = 288,673,477,059.84/572,406.40
  6. Step 6: Final answer
    x = 504,315.60

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