Home / 782,124.96-1,172,892.20-361,105.59

Finding the Fourth Proportional to 782,124.96, 1,172,892.20 and 361,105.59

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Solution

The fourth proportional to 782,124.96, 1,172,892.20 and 361,105.59 is: 541,522.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,124.96 : 1,172,892.20 = 361,105.59 : x
  2. Step 2: Convert to fraction form
    782,124.96/1,172,892.20 = 361,105.59/x
  3. Step 3: Cross multiply
    782,124.96x = 1,172,892.20 × 361,105.59
  4. Step 4: Simplify right side
    782,124.96x = 423,537,934,511.44
  5. Step 5: Solve for x
    x = 423,537,934,511.44/782,124.96
  6. Step 6: Final answer
    x = 541,522.08

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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.