Home / 682,930.70-1,025,173.65-402,605.90

Finding the Fourth Proportional to 682,930.70, 1,025,173.65 and 402,605.90

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Solution

The fourth proportional to 682,930.70, 1,025,173.65 and 402,605.90 is: 604,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,930.70 : 1,025,173.65 = 402,605.90 : x
  2. Step 2: Convert to fraction form
    682,930.70/1,025,173.65 = 402,605.90/x
  3. Step 3: Cross multiply
    682,930.70x = 1,025,173.65 × 402,605.90
  4. Step 4: Simplify right side
    682,930.70x = 412,740,960,014.54
  5. Step 5: Solve for x
    x = 412,740,960,014.54/682,930.70
  6. Step 6: Final answer
    x = 604,367.27

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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.