Home / 470,527.88-649,255.38-279,536.36

Finding the Fourth Proportional to 470,527.88, 649,255.38 and 279,536.36

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Solution

The fourth proportional to 470,527.88, 649,255.38 and 279,536.36 is: 385,716.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,527.88 : 649,255.38 = 279,536.36 : x
  2. Step 2: Convert to fraction form
    470,527.88/649,255.38 = 279,536.36/x
  3. Step 3: Cross multiply
    470,527.88x = 649,255.38 × 279,536.36
  4. Step 4: Simplify right side
    470,527.88x = 181,490,485,635.62
  5. Step 5: Solve for x
    x = 181,490,485,635.62/470,527.88
  6. Step 6: Final answer
    x = 385,716.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.