Home / 669,038.35-923,048.20-427,462.33

Finding the Fourth Proportional to 669,038.35, 923,048.20 and 427,462.33

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Solution

The fourth proportional to 669,038.35, 923,048.20 and 427,462.33 is: 589,754.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,038.35 : 923,048.20 = 427,462.33 : x
  2. Step 2: Convert to fraction form
    669,038.35/923,048.20 = 427,462.33/x
  3. Step 3: Cross multiply
    669,038.35x = 923,048.20 × 427,462.33
  4. Step 4: Simplify right side
    669,038.35x = 394,568,332,136.99
  5. Step 5: Solve for x
    x = 394,568,332,136.99/669,038.35
  6. Step 6: Final answer
    x = 589,754.43

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Double scale
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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.