Home / 810,930.60-1,216,280.70-250,021.80

Finding the Fourth Proportional to 810,930.60, 1,216,280.70 and 250,021.80

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Solution

The fourth proportional to 810,930.60, 1,216,280.70 and 250,021.80 is: 374,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,930.60 : 1,216,280.70 = 250,021.80 : x
  2. Step 2: Convert to fraction form
    810,930.60/1,216,280.70 = 250,021.80/x
  3. Step 3: Cross multiply
    810,930.60x = 1,216,280.70 × 250,021.80
  4. Step 4: Simplify right side
    810,930.60x = 304,096,689,919.26
  5. Step 5: Solve for x
    x = 304,096,689,919.26/810,930.60
  6. Step 6: Final answer
    x = 374,997.18

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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.