Home / 455,826.06-629,443.44-284,037.22

Finding the Fourth Proportional to 455,826.06, 629,443.44 and 284,037.22

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Solution

The fourth proportional to 455,826.06, 629,443.44 and 284,037.22 is: 392,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,826.06 : 629,443.44 = 284,037.22 : x
  2. Step 2: Convert to fraction form
    455,826.06/629,443.44 = 284,037.22/x
  3. Step 3: Cross multiply
    455,826.06x = 629,443.44 × 284,037.22
  4. Step 4: Simplify right side
    455,826.06x = 178,785,364,844.84
  5. Step 5: Solve for x
    x = 178,785,364,844.84/455,826.06
  6. Step 6: Final answer
    x = 392,222.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.