Home / 821,855.28-1,232,938.44-467,269.68

Finding the Fourth Proportional to 821,855.28, 1,232,938.44 and 467,269.68

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Solution

The fourth proportional to 821,855.28, 1,232,938.44 and 467,269.68 is: 700,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,855.28 : 1,232,938.44 = 467,269.68 : x
  2. Step 2: Convert to fraction form
    821,855.28/1,232,938.44 = 467,269.68/x
  3. Step 3: Cross multiply
    821,855.28x = 1,232,938.44 × 467,269.68
  4. Step 4: Simplify right side
    821,855.28x = 576,114,750,318.50
  5. Step 5: Solve for x
    x = 576,114,750,318.50/821,855.28
  6. Step 6: Final answer
    x = 700,992.94

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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.