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Finding the Fourth Proportional to 586,326.40, 879,489.60 and 437,610.40

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Solution

The fourth proportional to 586,326.40, 879,489.60 and 437,610.40 is: 656,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,326.40 : 879,489.60 = 437,610.40 : x
  2. Step 2: Convert to fraction form
    586,326.40/879,489.60 = 437,610.40/x
  3. Step 3: Cross multiply
    586,326.40x = 879,489.60 × 437,610.40
  4. Step 4: Simplify right side
    586,326.40x = 384,873,795,651.84
  5. Step 5: Solve for x
    x = 384,873,795,651.84/586,326.40
  6. Step 6: Final answer
    x = 656,415.60

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