Home / 916,899.24-1,375,365.78-317,879.88

Finding the Fourth Proportional to 916,899.24, 1,375,365.78 and 317,879.88

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Solution

The fourth proportional to 916,899.24, 1,375,365.78 and 317,879.88 is: 476,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,899.24 : 1,375,365.78 = 317,879.88 : x
  2. Step 2: Convert to fraction form
    916,899.24/1,375,365.78 = 317,879.88/x
  3. Step 3: Cross multiply
    916,899.24x = 1,375,365.78 × 317,879.88
  4. Step 4: Simplify right side
    916,899.24x = 437,201,109,102.51
  5. Step 5: Solve for x
    x = 437,201,109,102.51/916,899.24
  6. Step 6: Final answer
    x = 476,825.69

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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.