Home / 680,567.24-1,021,065.41-320,723.56

Finding the Fourth Proportional to 680,567.24, 1,021,065.41 and 320,723.56

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Solution

The fourth proportional to 680,567.24, 1,021,065.41 and 320,723.56 is: 481,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,567.24 : 1,021,065.41 = 320,723.56 : x
  2. Step 2: Convert to fraction form
    680,567.24/1,021,065.41 = 320,723.56/x
  3. Step 3: Cross multiply
    680,567.24x = 1,021,065.41 × 320,723.56
  4. Step 4: Simplify right side
    680,567.24x = 327,479,733,288.06
  5. Step 5: Solve for x
    x = 327,479,733,288.06/680,567.24
  6. Step 6: Final answer
    x = 481,186.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.