Home / 853,493.76-1,177,855.26-490,917.24

Finding the Fourth Proportional to 853,493.76, 1,177,855.26 and 490,917.24

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Solution

The fourth proportional to 853,493.76, 1,177,855.26 and 490,917.24 is: 677,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,493.76 : 1,177,855.26 = 490,917.24 : x
  2. Step 2: Convert to fraction form
    853,493.76/1,177,855.26 = 490,917.24/x
  3. Step 3: Cross multiply
    853,493.76x = 1,177,855.26 × 490,917.24
  4. Step 4: Simplify right side
    853,493.76x = 578,229,453,358.68
  5. Step 5: Solve for x
    x = 578,229,453,358.68/853,493.76
  6. Step 6: Final answer
    x = 677,485.27

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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.