Home / 873,037.07-1,309,115.39-265,708.88

Finding the Fourth Proportional to 873,037.07, 1,309,115.39 and 265,708.88

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Solution

The fourth proportional to 873,037.07, 1,309,115.39 and 265,708.88 is: 398,429.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,037.07 : 1,309,115.39 = 265,708.88 : x
  2. Step 2: Convert to fraction form
    873,037.07/1,309,115.39 = 265,708.88/x
  3. Step 3: Cross multiply
    873,037.07x = 1,309,115.39 × 265,708.88
  4. Step 4: Simplify right side
    873,037.07x = 347,843,586,185.80
  5. Step 5: Solve for x
    x = 347,843,586,185.80/873,037.07
  6. Step 6: Final answer
    x = 398,429.34

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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.