Home / 812,823.68-1,219,188.65-244,192.61

Finding the Fourth Proportional to 812,823.68, 1,219,188.65 and 244,192.61

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Solution

The fourth proportional to 812,823.68, 1,219,188.65 and 244,192.61 is: 366,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,823.68 : 1,219,188.65 = 244,192.61 : x
  2. Step 2: Convert to fraction form
    812,823.68/1,219,188.65 = 244,192.61/x
  3. Step 3: Cross multiply
    812,823.68x = 1,219,188.65 × 244,192.61
  4. Step 4: Simplify right side
    812,823.68x = 297,716,860,352.89
  5. Step 5: Solve for x
    x = 297,716,860,352.89/812,823.68
  6. Step 6: Final answer
    x = 366,274.84

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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.