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Finding the Fourth Proportional to 473,162.80, 709,744.20 and 429,617.20

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Solution

The fourth proportional to 473,162.80, 709,744.20 and 429,617.20 is: 644,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,162.80 : 709,744.20 = 429,617.20 : x
  2. Step 2: Convert to fraction form
    473,162.80/709,744.20 = 429,617.20/x
  3. Step 3: Cross multiply
    473,162.80x = 709,744.20 × 429,617.20
  4. Step 4: Simplify right side
    473,162.80x = 304,918,315,920.24
  5. Step 5: Solve for x
    x = 304,918,315,920.24/473,162.80
  6. Step 6: Final answer
    x = 644,425.80

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