Home / 804,965.45-1,208,001.60-331,650.72

Finding the Fourth Proportional to 804,965.45, 1,208,001.60 and 331,650.72

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Solution

The fourth proportional to 804,965.45, 1,208,001.60 and 331,650.72 is: 497,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,965.45 : 1,208,001.60 = 331,650.72 : x
  2. Step 2: Convert to fraction form
    804,965.45/1,208,001.60 = 331,650.72/x
  3. Step 3: Cross multiply
    804,965.45x = 1,208,001.60 × 331,650.72
  4. Step 4: Simplify right side
    804,965.45x = 400,634,600,401.15
  5. Step 5: Solve for x
    x = 400,634,600,401.15/804,965.45
  6. Step 6: Final answer
    x = 497,704.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.