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Finding the Fourth Proportional to 392,565.80, 588,848.70 and 366,321.80

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Solution

The fourth proportional to 392,565.80, 588,848.70 and 366,321.80 is: 549,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,565.80 : 588,848.70 = 366,321.80 : x
  2. Step 2: Convert to fraction form
    392,565.80/588,848.70 = 366,321.80/x
  3. Step 3: Cross multiply
    392,565.80x = 588,848.70 × 366,321.80
  4. Step 4: Simplify right side
    392,565.80x = 215,708,115,711.66
  5. Step 5: Solve for x
    x = 215,708,115,711.66/392,565.80
  6. Step 6: Final answer
    x = 549,482.70

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