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Finding the Fourth Proportional to 525,615.40, 788,423.10 and 482,069.80

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Solution

The fourth proportional to 525,615.40, 788,423.10 and 482,069.80 is: 723,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,615.40 : 788,423.10 = 482,069.80 : x
  2. Step 2: Convert to fraction form
    525,615.40/788,423.10 = 482,069.80/x
  3. Step 3: Cross multiply
    525,615.40x = 788,423.10 × 482,069.80
  4. Step 4: Simplify right side
    525,615.40x = 380,074,966,132.38
  5. Step 5: Solve for x
    x = 380,074,966,132.38/525,615.40
  6. Step 6: Final answer
    x = 723,104.70

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