Home / 751,929.78-1,037,738.88-429,687.48

Finding the Fourth Proportional to 751,929.78, 1,037,738.88 and 429,687.48

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Solution

The fourth proportional to 751,929.78, 1,037,738.88 and 429,687.48 is: 593,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,929.78 : 1,037,738.88 = 429,687.48 : x
  2. Step 2: Convert to fraction form
    751,929.78/1,037,738.88 = 429,687.48/x
  3. Step 3: Cross multiply
    751,929.78x = 1,037,738.88 × 429,687.48
  4. Step 4: Simplify right side
    751,929.78x = 445,903,404,245.22
  5. Step 5: Solve for x
    x = 445,903,404,245.22/751,929.78
  6. Step 6: Final answer
    x = 593,012.03

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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.