Home / 781,834.96-1,173,102.36-449,410.96

Finding the Fourth Proportional to 781,834.96, 1,173,102.36 and 449,410.96

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Solution

The fourth proportional to 781,834.96, 1,173,102.36 and 449,410.96 is: 674,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,834.96 : 1,173,102.36 = 449,410.96 : x
  2. Step 2: Convert to fraction form
    781,834.96/1,173,102.36 = 449,410.96/x
  3. Step 3: Cross multiply
    781,834.96x = 1,173,102.36 × 449,410.96
  4. Step 4: Simplify right side
    781,834.96x = 527,205,057,785.87
  5. Step 5: Solve for x
    x = 527,205,057,785.87/781,834.96
  6. Step 6: Final answer
    x = 674,317.58

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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.