Home / 814,063.50-1,123,226.57-469,826.46

Finding the Fourth Proportional to 814,063.50, 1,123,226.57 and 469,826.46

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Solution

The fourth proportional to 814,063.50, 1,123,226.57 and 469,826.46 is: 648,256.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,063.50 : 1,123,226.57 = 469,826.46 : x
  2. Step 2: Convert to fraction form
    814,063.50/1,123,226.57 = 469,826.46/x
  3. Step 3: Cross multiply
    814,063.50x = 1,123,226.57 × 469,826.46
  4. Step 4: Simplify right side
    814,063.50x = 527,721,560,811.91
  5. Step 5: Solve for x
    x = 527,721,560,811.91/814,063.50
  6. Step 6: Final answer
    x = 648,256.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.