Home / 674,231.91-1,011,340.95-389,741.44

Finding the Fourth Proportional to 674,231.91, 1,011,340.95 and 389,741.44

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Solution

The fourth proportional to 674,231.91, 1,011,340.95 and 389,741.44 is: 584,608.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,231.91 : 1,011,340.95 = 389,741.44 : x
  2. Step 2: Convert to fraction form
    674,231.91/1,011,340.95 = 389,741.44/x
  3. Step 3: Cross multiply
    674,231.91x = 1,011,340.95 × 389,741.44
  4. Step 4: Simplify right side
    674,231.91x = 394,161,481,081.04
  5. Step 5: Solve for x
    x = 394,161,481,081.04/674,231.91
  6. Step 6: Final answer
    x = 584,608.16

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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.