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Finding the Fourth Proportional to 471,408.04, 650,544.78 and 256,550.68

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Solution

The fourth proportional to 471,408.04, 650,544.78 and 256,550.68 is: 354,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,408.04 : 650,544.78 = 256,550.68 : x
  2. Step 2: Convert to fraction form
    471,408.04/650,544.78 = 256,550.68/x
  3. Step 3: Cross multiply
    471,408.04x = 650,544.78 × 256,550.68
  4. Step 4: Simplify right side
    471,408.04x = 166,897,705,679.45
  5. Step 5: Solve for x
    x = 166,897,705,679.45/471,408.04
  6. Step 6: Final answer
    x = 354,040.86

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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.