Home / 689,196.60-1,033,794.90-215,929.80

Finding the Fourth Proportional to 689,196.60, 1,033,794.90 and 215,929.80

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Solution

The fourth proportional to 689,196.60, 1,033,794.90 and 215,929.80 is: 323,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,196.60 : 1,033,794.90 = 215,929.80 : x
  2. Step 2: Convert to fraction form
    689,196.60/1,033,794.90 = 215,929.80/x
  3. Step 3: Cross multiply
    689,196.60x = 1,033,794.90 × 215,929.80
  4. Step 4: Simplify right side
    689,196.60x = 223,227,125,998.02
  5. Step 5: Solve for x
    x = 223,227,125,998.02/689,196.60
  6. Step 6: Final answer
    x = 323,894.70

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Similar ratio
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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.