Home / 744,757.60-1,027,748.88-405,226.72

Finding the Fourth Proportional to 744,757.60, 1,027,748.88 and 405,226.72

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Solution

The fourth proportional to 744,757.60, 1,027,748.88 and 405,226.72 is: 559,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,757.60 : 1,027,748.88 = 405,226.72 : x
  2. Step 2: Convert to fraction form
    744,757.60/1,027,748.88 = 405,226.72/x
  3. Step 3: Cross multiply
    744,757.60x = 1,027,748.88 × 405,226.72
  4. Step 4: Simplify right side
    744,757.60x = 416,471,307,626.07
  5. Step 5: Solve for x
    x = 416,471,307,626.07/744,757.60
  6. Step 6: Final answer
    x = 559,203.84

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1.5x scale

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.