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Finding the Fourth Proportional to 577,137.80, 865,706.70 and 364,561.40

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Solution

The fourth proportional to 577,137.80, 865,706.70 and 364,561.40 is: 546,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,137.80 : 865,706.70 = 364,561.40 : x
  2. Step 2: Convert to fraction form
    577,137.80/865,706.70 = 364,561.40/x
  3. Step 3: Cross multiply
    577,137.80x = 865,706.70 × 364,561.40
  4. Step 4: Simplify right side
    577,137.80x = 315,603,246,541.38
  5. Step 5: Solve for x
    x = 315,603,246,541.38/577,137.80
  6. Step 6: Final answer
    x = 546,842.10

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