Home / 749,007.32-1,123,793.79-449,696.54

Finding the Fourth Proportional to 749,007.32, 1,123,793.79 and 449,696.54

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Solution

The fourth proportional to 749,007.32, 1,123,793.79 and 449,696.54 is: 674,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,007.32 : 1,123,793.79 = 449,696.54 : x
  2. Step 2: Convert to fraction form
    749,007.32/1,123,793.79 = 449,696.54/x
  3. Step 3: Cross multiply
    749,007.32x = 1,123,793.79 × 449,696.54
  4. Step 4: Simplify right side
    749,007.32x = 505,366,173,417.52
  5. Step 5: Solve for x
    x = 505,366,173,417.52/749,007.32
  6. Step 6: Final answer
    x = 674,714.60

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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.