Home / 1,305,448.56-1,958,181.48-358,919.28

Finding the Fourth Proportional to 1,305,448.56, 1,958,181.48 and 358,919.28

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Solution

The fourth proportional to 1,305,448.56, 1,958,181.48 and 358,919.28 is: 538,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,448.56 : 1,958,181.48 = 358,919.28 : x
  2. Step 2: Convert to fraction form
    1,305,448.56/1,958,181.48 = 358,919.28/x
  3. Step 3: Cross multiply
    1,305,448.56x = 1,958,181.48 × 358,919.28
  4. Step 4: Simplify right side
    1,305,448.56x = 702,829,086,910.94
  5. Step 5: Solve for x
    x = 702,829,086,910.94/1,305,448.56
  6. Step 6: Final answer
    x = 538,381.30

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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.