Home / 816,458.46-1,225,245-283,974.18

Finding the Fourth Proportional to 816,458.46, 1,225,245 and 283,974.18

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Solution

The fourth proportional to 816,458.46, 1,225,245 and 283,974.18 is: 426,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,458.46 : 1,225,245 = 283,974.18 : x
  2. Step 2: Convert to fraction form
    816,458.46/1,225,245 = 283,974.18/x
  3. Step 3: Cross multiply
    816,458.46x = 1,225,245 × 283,974.18
  4. Step 4: Simplify right side
    816,458.46x = 347,937,944,174.10
  5. Step 5: Solve for x
    x = 347,937,944,174.10/816,458.46
  6. Step 6: Final answer
    x = 426,155.11

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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.