Home / 911,929.10-1,367,964.26-304,719.51

Finding the Fourth Proportional to 911,929.10, 1,367,964.26 and 304,719.51

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Solution

The fourth proportional to 911,929.10, 1,367,964.26 and 304,719.51 is: 457,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,929.10 : 1,367,964.26 = 304,719.51 : x
  2. Step 2: Convert to fraction form
    911,929.10/1,367,964.26 = 304,719.51/x
  3. Step 3: Cross multiply
    911,929.10x = 1,367,964.26 × 304,719.51
  4. Step 4: Simplify right side
    911,929.10x = 416,845,397,481.12
  5. Step 5: Solve for x
    x = 416,845,397,481.12/911,929.10
  6. Step 6: Final answer
    x = 457,102.86

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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.