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Finding the Fourth Proportional to 688,088.41, 949,562 and 386,282.41

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Solution

The fourth proportional to 688,088.41, 949,562 and 386,282.41 is: 533,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,088.41 : 949,562 = 386,282.41 : x
  2. Step 2: Convert to fraction form
    688,088.41/949,562 = 386,282.41/x
  3. Step 3: Cross multiply
    688,088.41x = 949,562 × 386,282.41
  4. Step 4: Simplify right side
    688,088.41x = 366,799,097,804.42
  5. Step 5: Solve for x
    x = 366,799,097,804.42/688,088.41
  6. Step 6: Final answer
    x = 533,069.72

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