Home / 678,581.02-936,556.98-392,267.08

Finding the Fourth Proportional to 678,581.02, 936,556.98 and 392,267.08

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Solution

The fourth proportional to 678,581.02, 936,556.98 and 392,267.08 is: 541,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,581.02 : 936,556.98 = 392,267.08 : x
  2. Step 2: Convert to fraction form
    678,581.02/936,556.98 = 392,267.08/x
  3. Step 3: Cross multiply
    678,581.02x = 936,556.98 × 392,267.08
  4. Step 4: Simplify right side
    678,581.02x = 367,380,471,798.22
  5. Step 5: Solve for x
    x = 367,380,471,798.22/678,581.02
  6. Step 6: Final answer
    x = 541,395.15

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