Home / 828,936.55-1,243,404.76-229,897.70

Finding the Fourth Proportional to 828,936.55, 1,243,404.76 and 229,897.70

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Solution

The fourth proportional to 828,936.55, 1,243,404.76 and 229,897.70 is: 344,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,936.55 : 1,243,404.76 = 229,897.70 : x
  2. Step 2: Convert to fraction form
    828,936.55/1,243,404.76 = 229,897.70/x
  3. Step 3: Cross multiply
    828,936.55x = 1,243,404.76 × 229,897.70
  4. Step 4: Simplify right side
    828,936.55x = 285,855,887,126.54
  5. Step 5: Solve for x
    x = 285,855,887,126.54/828,936.55
  6. Step 6: Final answer
    x = 344,846.52

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Double scale
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Similar ratio
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1.5x scale

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.