Home / 455,247.42-682,696.17-314,579.58

Finding the Fourth Proportional to 455,247.42, 682,696.17 and 314,579.58

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Solution

The fourth proportional to 455,247.42, 682,696.17 and 314,579.58 is: 471,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,247.42 : 682,696.17 = 314,579.58 : x
  2. Step 2: Convert to fraction form
    455,247.42/682,696.17 = 314,579.58/x
  3. Step 3: Cross multiply
    455,247.42x = 682,696.17 × 314,579.58
  4. Step 4: Simplify right side
    455,247.42x = 214,762,274,426.21
  5. Step 5: Solve for x
    x = 214,762,274,426.21/455,247.42
  6. Step 6: Final answer
    x = 471,748.47

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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.