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Finding the Fourth Proportional to 640,528.52, 884,017.26 and 368,590.86

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Solution

The fourth proportional to 640,528.52, 884,017.26 and 368,590.86 is: 508,705.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,528.52 : 884,017.26 = 368,590.86 : x
  2. Step 2: Convert to fraction form
    640,528.52/884,017.26 = 368,590.86/x
  3. Step 3: Cross multiply
    640,528.52x = 884,017.26 × 368,590.86
  4. Step 4: Simplify right side
    640,528.52x = 325,840,682,118.24
  5. Step 5: Solve for x
    x = 325,840,682,118.24/640,528.52
  6. Step 6: Final answer
    x = 508,705.97

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