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Finding the Fourth Proportional to 473,942.80, 709,531.80 and 424,176.40

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Solution

The fourth proportional to 473,942.80, 709,531.80 and 424,176.40 is: 635,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,942.80 : 709,531.80 = 424,176.40 : x
  2. Step 2: Convert to fraction form
    473,942.80/709,531.80 = 424,176.40/x
  3. Step 3: Cross multiply
    473,942.80x = 709,531.80 × 424,176.40
  4. Step 4: Simplify right side
    473,942.80x = 300,966,644,609.52
  5. Step 5: Solve for x
    x = 300,966,644,609.52/473,942.80
  6. Step 6: Final answer
    x = 635,027.36

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