Home / 911,930.10-1,367,965.76-304,720.51

Finding the Fourth Proportional to 911,930.10, 1,367,965.76 and 304,720.51

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Solution

The fourth proportional to 911,930.10, 1,367,965.76 and 304,720.51 is: 457,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,930.10 : 1,367,965.76 = 304,720.51 : x
  2. Step 2: Convert to fraction form
    911,930.10/1,367,965.76 = 304,720.51/x
  3. Step 3: Cross multiply
    911,930.10x = 1,367,965.76 × 304,720.51
  4. Step 4: Simplify right side
    911,930.10x = 416,847,224,049.74
  5. Step 5: Solve for x
    x = 416,847,224,049.74/911,930.10
  6. Step 6: Final answer
    x = 457,104.36

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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.