Home / 682,893.70-1,025,118.15-402,568.90

Finding the Fourth Proportional to 682,893.70, 1,025,118.15 and 402,568.90

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Solution

The fourth proportional to 682,893.70, 1,025,118.15 and 402,568.90 is: 604,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,893.70 : 1,025,118.15 = 402,568.90 : x
  2. Step 2: Convert to fraction form
    682,893.70/1,025,118.15 = 402,568.90/x
  3. Step 3: Cross multiply
    682,893.70x = 1,025,118.15 × 402,568.90
  4. Step 4: Simplify right side
    682,893.70x = 412,680,686,015.54
  5. Step 5: Solve for x
    x = 412,680,686,015.54/682,893.70
  6. Step 6: Final answer
    x = 604,311.75

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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.