Home / 886,320.78-1,329,656.13-325,360.14

Finding the Fourth Proportional to 886,320.78, 1,329,656.13 and 325,360.14

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Solution

The fourth proportional to 886,320.78, 1,329,656.13 and 325,360.14 is: 488,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,320.78 : 1,329,656.13 = 325,360.14 : x
  2. Step 2: Convert to fraction form
    886,320.78/1,329,656.13 = 325,360.14/x
  3. Step 3: Cross multiply
    886,320.78x = 1,329,656.13 × 325,360.14
  4. Step 4: Simplify right side
    886,320.78x = 432,617,104,608.66
  5. Step 5: Solve for x
    x = 432,617,104,608.66/886,320.78
  6. Step 6: Final answer
    x = 488,104.44

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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.