Home / 782,129.01-1,172,727.58-242,225.34

Finding the Fourth Proportional to 782,129.01, 1,172,727.58 and 242,225.34

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Solution

The fourth proportional to 782,129.01, 1,172,727.58 and 242,225.34 is: 363,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,129.01 : 1,172,727.58 = 242,225.34 : x
  2. Step 2: Convert to fraction form
    782,129.01/1,172,727.58 = 242,225.34/x
  3. Step 3: Cross multiply
    782,129.01x = 1,172,727.58 × 242,225.34
  4. Step 4: Simplify right side
    782,129.01x = 284,064,339,239.14
  5. Step 5: Solve for x
    x = 284,064,339,239.14/782,129.01
  6. Step 6: Final answer
    x = 363,193.71

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Double scale
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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.