Home / 684,609.64-1,027,012.86-211,335.52

Finding the Fourth Proportional to 684,609.64, 1,027,012.86 and 211,335.52

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Solution

The fourth proportional to 684,609.64, 1,027,012.86 and 211,335.52 is: 317,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,609.64 : 1,027,012.86 = 211,335.52 : x
  2. Step 2: Convert to fraction form
    684,609.64/1,027,012.86 = 211,335.52/x
  3. Step 3: Cross multiply
    684,609.64x = 1,027,012.86 × 211,335.52
  4. Step 4: Simplify right side
    684,609.64x = 217,044,296,814.79
  5. Step 5: Solve for x
    x = 217,044,296,814.79/684,609.64
  6. Step 6: Final answer
    x = 317,033.66

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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.