Home / 902,129.40-1,244,939.60-488,667.02

Finding the Fourth Proportional to 902,129.40, 1,244,939.60 and 488,667.02

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Solution

The fourth proportional to 902,129.40, 1,244,939.60 and 488,667.02 is: 674,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,129.40 : 1,244,939.60 = 488,667.02 : x
  2. Step 2: Convert to fraction form
    902,129.40/1,244,939.60 = 488,667.02/x
  3. Step 3: Cross multiply
    902,129.40x = 1,244,939.60 × 488,667.02
  4. Step 4: Simplify right side
    902,129.40x = 608,360,919,408.96
  5. Step 5: Solve for x
    x = 608,360,919,408.96/902,129.40
  6. Step 6: Final answer
    x = 674,361.04

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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.