Home / 560,004.12-772,786.44-318,282.48

Finding the Fourth Proportional to 560,004.12, 772,786.44 and 318,282.48

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Solution

The fourth proportional to 560,004.12, 772,786.44 and 318,282.48 is: 439,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,004.12 : 772,786.44 = 318,282.48 : x
  2. Step 2: Convert to fraction form
    560,004.12/772,786.44 = 318,282.48/x
  3. Step 3: Cross multiply
    560,004.12x = 772,786.44 × 318,282.48
  4. Step 4: Simplify right side
    560,004.12x = 245,964,384,633.57
  5. Step 5: Solve for x
    x = 245,964,384,633.57/560,004.12
  6. Step 6: Final answer
    x = 439,218.88

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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.