Home / 829,108.86-1,243,649.39-373,446.65

Finding the Fourth Proportional to 829,108.86, 1,243,649.39 and 373,446.65

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Solution

The fourth proportional to 829,108.86, 1,243,649.39 and 373,446.65 is: 560,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,108.86 : 1,243,649.39 = 373,446.65 : x
  2. Step 2: Convert to fraction form
    829,108.86/1,243,649.39 = 373,446.65/x
  3. Step 3: Cross multiply
    829,108.86x = 1,243,649.39 × 373,446.65
  4. Step 4: Simplify right side
    829,108.86x = 464,436,690,384.56
  5. Step 5: Solve for x
    x = 464,436,690,384.56/829,108.86
  6. Step 6: Final answer
    x = 560,163.70

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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.