Home / 809,329.10-1,214,139.45-336,062.30

Finding the Fourth Proportional to 809,329.10, 1,214,139.45 and 336,062.30

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Solution

The fourth proportional to 809,329.10, 1,214,139.45 and 336,062.30 is: 504,153.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,329.10 : 1,214,139.45 = 336,062.30 : x
  2. Step 2: Convert to fraction form
    809,329.10/1,214,139.45 = 336,062.30/x
  3. Step 3: Cross multiply
    809,329.10x = 1,214,139.45 × 336,062.30
  4. Step 4: Simplify right side
    809,329.10x = 408,026,496,087.74
  5. Step 5: Solve for x
    x = 408,026,496,087.74/809,329.10
  6. Step 6: Final answer
    x = 504,153.99

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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.