Home / 653,738.06-902,137.64-363,348.20

Finding the Fourth Proportional to 653,738.06, 902,137.64 and 363,348.20

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Solution

The fourth proportional to 653,738.06, 902,137.64 and 363,348.20 is: 501,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,738.06 : 902,137.64 = 363,348.20 : x
  2. Step 2: Convert to fraction form
    653,738.06/902,137.64 = 363,348.20/x
  3. Step 3: Cross multiply
    653,738.06x = 902,137.64 × 363,348.20
  4. Step 4: Simplify right side
    653,738.06x = 327,790,087,646.25
  5. Step 5: Solve for x
    x = 327,790,087,646.25/653,738.06
  6. Step 6: Final answer
    x = 501,408.91

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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.