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Finding the Fourth Proportional to 385,582.40, 577,984.80 and 175,371.20

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Solution

The fourth proportional to 385,582.40, 577,984.80 and 175,371.20 is: 262,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,582.40 : 577,984.80 = 175,371.20 : x
  2. Step 2: Convert to fraction form
    385,582.40/577,984.80 = 175,371.20/x
  3. Step 3: Cross multiply
    385,582.40x = 577,984.80 × 175,371.20
  4. Step 4: Simplify right side
    385,582.40x = 101,361,887,957.76
  5. Step 5: Solve for x
    x = 101,361,887,957.76/385,582.40
  6. Step 6: Final answer
    x = 262,879.97

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