Home / 810,430.08-1,215,552.96-219,408

Finding the Fourth Proportional to 810,430.08, 1,215,552.96 and 219,408

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Solution

The fourth proportional to 810,430.08, 1,215,552.96 and 219,408 is: 329,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,430.08 : 1,215,552.96 = 219,408 : x
  2. Step 2: Convert to fraction form
    810,430.08/1,215,552.96 = 219,408/x
  3. Step 3: Cross multiply
    810,430.08x = 1,215,552.96 × 219,408
  4. Step 4: Simplify right side
    810,430.08x = 266,702,043,847.68
  5. Step 5: Solve for x
    x = 266,702,043,847.68/810,430.08
  6. Step 6: Final answer
    x = 329,087.05

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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.