Home / 824,845.20-1,237,267.80-691,984.95

Finding the Fourth Proportional to 824,845.20, 1,237,267.80 and 691,984.95

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Solution

The fourth proportional to 824,845.20, 1,237,267.80 and 691,984.95 is: 1,037,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,845.20 : 1,237,267.80 = 691,984.95 : x
  2. Step 2: Convert to fraction form
    824,845.20/1,237,267.80 = 691,984.95/x
  3. Step 3: Cross multiply
    824,845.20x = 1,237,267.80 × 691,984.95
  4. Step 4: Simplify right side
    824,845.20x = 856,170,696,719.61
  5. Step 5: Solve for x
    x = 856,170,696,719.61/824,845.20
  6. Step 6: Final answer
    x = 1,037,977.43

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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.