Home / 579,666.20-869,499.30-313,945.70

Finding the Fourth Proportional to 579,666.20, 869,499.30 and 313,945.70

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Solution

The fourth proportional to 579,666.20, 869,499.30 and 313,945.70 is: 470,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,666.20 : 869,499.30 = 313,945.70 : x
  2. Step 2: Convert to fraction form
    579,666.20/869,499.30 = 313,945.70/x
  3. Step 3: Cross multiply
    579,666.20x = 869,499.30 × 313,945.70
  4. Step 4: Simplify right side
    579,666.20x = 272,975,566,388.01
  5. Step 5: Solve for x
    x = 272,975,566,388.01/579,666.20
  6. Step 6: Final answer
    x = 470,918.55

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