Home / 752,893.07-1,129,194.54-213,145.23

Finding the Fourth Proportional to 752,893.07, 1,129,194.54 and 213,145.23

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Solution

The fourth proportional to 752,893.07, 1,129,194.54 and 213,145.23 is: 319,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,893.07 : 1,129,194.54 = 213,145.23 : x
  2. Step 2: Convert to fraction form
    752,893.07/1,129,194.54 = 213,145.23/x
  3. Step 3: Cross multiply
    752,893.07x = 1,129,194.54 × 213,145.23
  4. Step 4: Simplify right side
    752,893.07x = 240,682,426,108.21
  5. Step 5: Solve for x
    x = 240,682,426,108.21/752,893.07
  6. Step 6: Final answer
    x = 319,676.77

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Double scale
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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.