Home / 671,542.34-1,006,971.41-330,008.54

Finding the Fourth Proportional to 671,542.34, 1,006,971.41 and 330,008.54

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Solution

The fourth proportional to 671,542.34, 1,006,971.41 and 330,008.54 is: 494,844.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,542.34 : 1,006,971.41 = 330,008.54 : x
  2. Step 2: Convert to fraction form
    671,542.34/1,006,971.41 = 330,008.54/x
  3. Step 3: Cross multiply
    671,542.34x = 1,006,971.41 × 330,008.54
  4. Step 4: Simplify right side
    671,542.34x = 332,309,160,626.01
  5. Step 5: Solve for x
    x = 332,309,160,626.01/671,542.34
  6. Step 6: Final answer
    x = 494,844.69

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1.5x scale

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.