Home / 744,555.27-1,027,485.49-405,022.71

Finding the Fourth Proportional to 744,555.27, 1,027,485.49 and 405,022.71

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Solution

The fourth proportional to 744,555.27, 1,027,485.49 and 405,022.71 is: 558,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,555.27 : 1,027,485.49 = 405,022.71 : x
  2. Step 2: Convert to fraction form
    744,555.27/1,027,485.49 = 405,022.71/x
  3. Step 3: Cross multiply
    744,555.27x = 1,027,485.49 × 405,022.71
  4. Step 4: Simplify right side
    744,555.27x = 416,154,957,645.48
  5. Step 5: Solve for x
    x = 416,154,957,645.48/744,555.27
  6. Step 6: Final answer
    x = 558,930.91

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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.