Home / 748,940.10-1,123,299.39-275,514.73

Finding the Fourth Proportional to 748,940.10, 1,123,299.39 and 275,514.73

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Solution

The fourth proportional to 748,940.10, 1,123,299.39 and 275,514.73 is: 413,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,940.10 : 1,123,299.39 = 275,514.73 : x
  2. Step 2: Convert to fraction form
    748,940.10/1,123,299.39 = 275,514.73/x
  3. Step 3: Cross multiply
    748,940.10x = 1,123,299.39 × 275,514.73
  4. Step 4: Simplify right side
    748,940.10x = 309,485,528,145.02
  5. Step 5: Solve for x
    x = 309,485,528,145.02/748,940.10
  6. Step 6: Final answer
    x = 413,231.35

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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.