Home / 744,687.76-1,027,673.58-405,158.44

Finding the Fourth Proportional to 744,687.76, 1,027,673.58 and 405,158.44

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Solution

The fourth proportional to 744,687.76, 1,027,673.58 and 405,158.44 is: 559,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,687.76 : 1,027,673.58 = 405,158.44 : x
  2. Step 2: Convert to fraction form
    744,687.76/1,027,673.58 = 405,158.44/x
  3. Step 3: Cross multiply
    744,687.76x = 1,027,673.58 × 405,158.44
  4. Step 4: Simplify right side
    744,687.76x = 416,370,624,502.02
  5. Step 5: Solve for x
    x = 416,370,624,502.02/744,687.76
  6. Step 6: Final answer
    x = 559,121.08

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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.