Home / 812,740.99-1,219,115.54-333,230.71

Finding the Fourth Proportional to 812,740.99, 1,219,115.54 and 333,230.71

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Solution

The fourth proportional to 812,740.99, 1,219,115.54 and 333,230.71 is: 499,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,740.99 : 1,219,115.54 = 333,230.71 : x
  2. Step 2: Convert to fraction form
    812,740.99/1,219,115.54 = 333,230.71/x
  3. Step 3: Cross multiply
    812,740.99x = 1,219,115.54 × 333,230.71
  4. Step 4: Simplify right side
    812,740.99x = 406,246,732,252.29
  5. Step 5: Solve for x
    x = 406,246,732,252.29/812,740.99
  6. Step 6: Final answer
    x = 499,847.72

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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.