Home / 744,912.09-1,027,907.55-418,150.31

Finding the Fourth Proportional to 744,912.09, 1,027,907.55 and 418,150.31

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Solution

The fourth proportional to 744,912.09, 1,027,907.55 and 418,150.31 is: 577,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,912.09 : 1,027,907.55 = 418,150.31 : x
  2. Step 2: Convert to fraction form
    744,912.09/1,027,907.55 = 418,150.31/x
  3. Step 3: Cross multiply
    744,912.09x = 1,027,907.55 × 418,150.31
  4. Step 4: Simplify right side
    744,912.09x = 429,819,855,544.30
  5. Step 5: Solve for x
    x = 429,819,855,544.30/744,912.09
  6. Step 6: Final answer
    x = 577,007.49

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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.