Home / 687,287.20-1,029,181.20-655,794.40

Finding the Fourth Proportional to 687,287.20, 1,029,181.20 and 655,794.40

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Solution

The fourth proportional to 687,287.20, 1,029,181.20 and 655,794.40 is: 982,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,287.20 : 1,029,181.20 = 655,794.40 : x
  2. Step 2: Convert to fraction form
    687,287.20/1,029,181.20 = 655,794.40/x
  3. Step 3: Cross multiply
    687,287.20x = 1,029,181.20 × 655,794.40
  4. Step 4: Simplify right side
    687,287.20x = 674,931,267,545.28
  5. Step 5: Solve for x
    x = 674,931,267,545.28/687,287.20
  6. Step 6: Final answer
    x = 982,022.17

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