Home / 902,137.90-1,244,951.37-488,675.53

Finding the Fourth Proportional to 902,137.90, 1,244,951.37 and 488,675.53

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Solution

The fourth proportional to 902,137.90, 1,244,951.37 and 488,675.53 is: 674,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,137.90 : 1,244,951.37 = 488,675.53 : x
  2. Step 2: Convert to fraction form
    902,137.90/1,244,951.37 = 488,675.53/x
  3. Step 3: Cross multiply
    902,137.90x = 1,244,951.37 × 488,675.53
  4. Step 4: Simplify right side
    902,137.90x = 608,377,270,558.98
  5. Step 5: Solve for x
    x = 608,377,270,558.98/902,137.90
  6. Step 6: Final answer
    x = 674,372.81

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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.