Home / 748,556.41-1,122,843.62-208,779.82

Finding the Fourth Proportional to 748,556.41, 1,122,843.62 and 208,779.82

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Solution

The fourth proportional to 748,556.41, 1,122,843.62 and 208,779.82 is: 313,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,556.41 : 1,122,843.62 = 208,779.82 : x
  2. Step 2: Convert to fraction form
    748,556.41/1,122,843.62 = 208,779.82/x
  3. Step 3: Cross multiply
    748,556.41x = 1,122,843.62 × 208,779.82
  4. Step 4: Simplify right side
    748,556.41x = 234,427,082,213.63
  5. Step 5: Solve for x
    x = 234,427,082,213.63/748,556.41
  6. Step 6: Final answer
    x = 313,172.23

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1.5x scale

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.