Home / 786,899.60-1,180,414.43-331,622.56

Finding the Fourth Proportional to 786,899.60, 1,180,414.43 and 331,622.56

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Solution

The fourth proportional to 786,899.60, 1,180,414.43 and 331,622.56 is: 497,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,899.60 : 1,180,414.43 = 331,622.56 : x
  2. Step 2: Convert to fraction form
    786,899.60/1,180,414.43 = 331,622.56/x
  3. Step 3: Cross multiply
    786,899.60x = 1,180,414.43 × 331,622.56
  4. Step 4: Simplify right side
    786,899.60x = 391,452,055,137.54
  5. Step 5: Solve for x
    x = 391,452,055,137.54/786,899.60
  6. Step 6: Final answer
    x = 497,461.25

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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.