Home / 682,228.89-1,023,688.40-454,679.78

Finding the Fourth Proportional to 682,228.89, 1,023,688.40 and 454,679.78

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Solution

The fourth proportional to 682,228.89, 1,023,688.40 and 454,679.78 is: 682,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,228.89 : 1,023,688.40 = 454,679.78 : x
  2. Step 2: Convert to fraction form
    682,228.89/1,023,688.40 = 454,679.78/x
  3. Step 3: Cross multiply
    682,228.89x = 1,023,688.40 × 454,679.78
  4. Step 4: Simplify right side
    682,228.89x = 465,450,409,108.71
  5. Step 5: Solve for x
    x = 465,450,409,108.71/682,228.89
  6. Step 6: Final answer
    x = 682,249.63

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Double scale
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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.