Home / 455,941.32-683,769.83-171,671.42

Finding the Fourth Proportional to 455,941.32, 683,769.83 and 171,671.42

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Solution

The fourth proportional to 455,941.32, 683,769.83 and 171,671.42 is: 257,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,941.32 : 683,769.83 = 171,671.42 : x
  2. Step 2: Convert to fraction form
    455,941.32/683,769.83 = 171,671.42/x
  3. Step 3: Cross multiply
    455,941.32x = 683,769.83 × 171,671.42
  4. Step 4: Simplify right side
    455,941.32x = 117,383,736,921.84
  5. Step 5: Solve for x
    x = 117,383,736,921.84/455,941.32
  6. Step 6: Final answer
    x = 257,453.60

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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.