Home / 455,256.42-682,709.67-314,588.58

Finding the Fourth Proportional to 455,256.42, 682,709.67 and 314,588.58

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Solution

The fourth proportional to 455,256.42, 682,709.67 and 314,588.58 is: 471,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,256.42 : 682,709.67 = 314,588.58 : x
  2. Step 2: Convert to fraction form
    455,256.42/682,709.67 = 314,588.58/x
  3. Step 3: Cross multiply
    455,256.42x = 682,709.67 × 314,588.58
  4. Step 4: Simplify right side
    455,256.42x = 214,772,665,637.57
  5. Step 5: Solve for x
    x = 214,772,665,637.57/455,256.42
  6. Step 6: Final answer
    x = 471,761.97

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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.