Home / 689,576.82-951,010.26-482,739.24

Finding the Fourth Proportional to 689,576.82, 951,010.26 and 482,739.24

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Solution

The fourth proportional to 689,576.82, 951,010.26 and 482,739.24 is: 665,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,576.82 : 951,010.26 = 482,739.24 : x
  2. Step 2: Convert to fraction form
    689,576.82/951,010.26 = 482,739.24/x
  3. Step 3: Cross multiply
    689,576.82x = 951,010.26 × 482,739.24
  4. Step 4: Simplify right side
    689,576.82x = 459,089,970,144.60
  5. Step 5: Solve for x
    x = 459,089,970,144.60/689,576.82
  6. Step 6: Final answer
    x = 665,756.09

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1.5x scale

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.