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Finding the Fourth Proportional to 315,068.80, 472,603.20 and 296,406.40

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Solution

The fourth proportional to 315,068.80, 472,603.20 and 296,406.40 is: 444,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,068.80 : 472,603.20 = 296,406.40 : x
  2. Step 2: Convert to fraction form
    315,068.80/472,603.20 = 296,406.40/x
  3. Step 3: Cross multiply
    315,068.80x = 472,603.20 × 296,406.40
  4. Step 4: Simplify right side
    315,068.80x = 140,082,613,140.48
  5. Step 5: Solve for x
    x = 140,082,613,140.48/315,068.80
  6. Step 6: Final answer
    x = 444,609.60

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