Home / 485,412.85-669,872.84-270,566.54

Finding the Fourth Proportional to 485,412.85, 669,872.84 and 270,566.54

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Solution

The fourth proportional to 485,412.85, 669,872.84 and 270,566.54 is: 373,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,412.85 : 669,872.84 = 270,566.54 : x
  2. Step 2: Convert to fraction form
    485,412.85/669,872.84 = 270,566.54/x
  3. Step 3: Cross multiply
    485,412.85x = 669,872.84 × 270,566.54
  4. Step 4: Simplify right side
    485,412.85x = 181,245,176,558.77
  5. Step 5: Solve for x
    x = 181,245,176,558.77/485,412.85
  6. Step 6: Final answer
    x = 373,383.56

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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.