Home / 744,689.76-1,027,676.34-405,160.44

Finding the Fourth Proportional to 744,689.76, 1,027,676.34 and 405,160.44

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Solution

The fourth proportional to 744,689.76, 1,027,676.34 and 405,160.44 is: 559,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,689.76 : 1,027,676.34 = 405,160.44 : x
  2. Step 2: Convert to fraction form
    744,689.76/1,027,676.34 = 405,160.44/x
  3. Step 3: Cross multiply
    744,689.76x = 1,027,676.34 × 405,160.44
  4. Step 4: Simplify right side
    744,689.76x = 416,373,798,091.99
  5. Step 5: Solve for x
    x = 416,373,798,091.99/744,689.76
  6. Step 6: Final answer
    x = 559,123.84

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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.