Home / 748,273.86-1,122,521.49-274,922.31

Finding the Fourth Proportional to 748,273.86, 1,122,521.49 and 274,922.31

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Solution

The fourth proportional to 748,273.86, 1,122,521.49 and 274,922.31 is: 412,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,273.86 : 1,122,521.49 = 274,922.31 : x
  2. Step 2: Convert to fraction form
    748,273.86/1,122,521.49 = 274,922.31/x
  3. Step 3: Cross multiply
    748,273.86x = 1,122,521.49 × 274,922.31
  4. Step 4: Simplify right side
    748,273.86x = 308,606,201,055.44
  5. Step 5: Solve for x
    x = 308,606,201,055.44/748,273.86
  6. Step 6: Final answer
    x = 412,424.14

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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.