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Finding the Fourth Proportional to 576,392.40, 864,070.20 and 376,808.40

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Solution

The fourth proportional to 576,392.40, 864,070.20 and 376,808.40 is: 564,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,392.40 : 864,070.20 = 376,808.40 : x
  2. Step 2: Convert to fraction form
    576,392.40/864,070.20 = 376,808.40/x
  3. Step 3: Cross multiply
    576,392.40x = 864,070.20 × 376,808.40
  4. Step 4: Simplify right side
    576,392.40x = 325,588,909,549.68
  5. Step 5: Solve for x
    x = 325,588,909,549.68/576,392.40
  6. Step 6: Final answer
    x = 564,873.70

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