Home / 818,372.24-1,226,819.64-345,086

Finding the Fourth Proportional to 818,372.24, 1,226,819.64 and 345,086

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Solution

The fourth proportional to 818,372.24, 1,226,819.64 and 345,086 is: 517,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,372.24 : 1,226,819.64 = 345,086 : x
  2. Step 2: Convert to fraction form
    818,372.24/1,226,819.64 = 345,086/x
  3. Step 3: Cross multiply
    818,372.24x = 1,226,819.64 × 345,086
  4. Step 4: Simplify right side
    818,372.24x = 423,358,282,289.04
  5. Step 5: Solve for x
    x = 423,358,282,289.04/818,372.24
  6. Step 6: Final answer
    x = 517,317.50

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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.