Home / 923,921.56-1,274,975.76-579,942.28

Finding the Fourth Proportional to 923,921.56, 1,274,975.76 and 579,942.28

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Solution

The fourth proportional to 923,921.56, 1,274,975.76 and 579,942.28 is: 800,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,921.56 : 1,274,975.76 = 579,942.28 : x
  2. Step 2: Convert to fraction form
    923,921.56/1,274,975.76 = 579,942.28/x
  3. Step 3: Cross multiply
    923,921.56x = 1,274,975.76 × 579,942.28
  4. Step 4: Simplify right side
    923,921.56x = 739,412,349,199.13
  5. Step 5: Solve for x
    x = 739,412,349,199.13/923,921.56
  6. Step 6: Final answer
    x = 800,297.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.