Home / 455,477.23-682,672.29-211,990.66

Finding the Fourth Proportional to 455,477.23, 682,672.29 and 211,990.66

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Solution

The fourth proportional to 455,477.23, 682,672.29 and 211,990.66 is: 317,733.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,477.23 : 682,672.29 = 211,990.66 : x
  2. Step 2: Convert to fraction form
    455,477.23/682,672.29 = 211,990.66/x
  3. Step 3: Cross multiply
    455,477.23x = 682,672.29 × 211,990.66
  4. Step 4: Simplify right side
    455,477.23x = 144,720,146,819.17
  5. Step 5: Solve for x
    x = 144,720,146,819.17/455,477.23
  6. Step 6: Final answer
    x = 317,733.00

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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.