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Finding the Fourth Proportional to 710,425.52, 980,401.33 and 388,155.58

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Solution

The fourth proportional to 710,425.52, 980,401.33 and 388,155.58 is: 535,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,425.52 : 980,401.33 = 388,155.58 : x
  2. Step 2: Convert to fraction form
    710,425.52/980,401.33 = 388,155.58/x
  3. Step 3: Cross multiply
    710,425.52x = 980,401.33 × 388,155.58
  4. Step 4: Simplify right side
    710,425.52x = 380,548,246,878.92
  5. Step 5: Solve for x
    x = 380,548,246,878.92/710,425.52
  6. Step 6: Final answer
    x = 535,662.41

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