Home / 873,629.87-1,311,043.29-305,011.04

Finding the Fourth Proportional to 873,629.87, 1,311,043.29 and 305,011.04

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Solution

The fourth proportional to 873,629.87, 1,311,043.29 and 305,011.04 is: 457,725.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,629.87 : 1,311,043.29 = 305,011.04 : x
  2. Step 2: Convert to fraction form
    873,629.87/1,311,043.29 = 305,011.04/x
  3. Step 3: Cross multiply
    873,629.87x = 1,311,043.29 × 305,011.04
  4. Step 4: Simplify right side
    873,629.87x = 399,882,669,668.91
  5. Step 5: Solve for x
    x = 399,882,669,668.91/873,629.87
  6. Step 6: Final answer
    x = 457,725.50

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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.