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Finding the Fourth Proportional to 472,504.80, 707,590.80 and 313,874.40

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Solution

The fourth proportional to 472,504.80, 707,590.80 and 313,874.40 is: 470,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,504.80 : 707,590.80 = 313,874.40 : x
  2. Step 2: Convert to fraction form
    472,504.80/707,590.80 = 313,874.40/x
  3. Step 3: Cross multiply
    472,504.80x = 707,590.80 × 313,874.40
  4. Step 4: Simplify right side
    472,504.80x = 222,094,637,795.52
  5. Step 5: Solve for x
    x = 222,094,637,795.52/472,504.80
  6. Step 6: Final answer
    x = 470,036.79

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