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Finding the Fourth Proportional to 577,181.40, 865,772.10 and 470,893.20

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Solution

The fourth proportional to 577,181.40, 865,772.10 and 470,893.20 is: 706,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,181.40 : 865,772.10 = 470,893.20 : x
  2. Step 2: Convert to fraction form
    577,181.40/865,772.10 = 470,893.20/x
  3. Step 3: Cross multiply
    577,181.40x = 865,772.10 × 470,893.20
  4. Step 4: Simplify right side
    577,181.40x = 407,686,194,639.72
  5. Step 5: Solve for x
    x = 407,686,194,639.72/577,181.40
  6. Step 6: Final answer
    x = 706,339.80

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