Home / 682,404.74-1,022,381.31-401,768.90

Finding the Fourth Proportional to 682,404.74, 1,022,381.31 and 401,768.90

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Solution

The fourth proportional to 682,404.74, 1,022,381.31 and 401,768.90 is: 601,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,404.74 : 1,022,381.31 = 401,768.90 : x
  2. Step 2: Convert to fraction form
    682,404.74/1,022,381.31 = 401,768.90/x
  3. Step 3: Cross multiply
    682,404.74x = 1,022,381.31 × 401,768.90
  4. Step 4: Simplify right side
    682,404.74x = 410,761,014,299.26
  5. Step 5: Solve for x
    x = 410,761,014,299.26/682,404.74
  6. Step 6: Final answer
    x = 601,931.65

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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.