Home / 691,054.70-1,036,634.53-235,504.35

Finding the Fourth Proportional to 691,054.70, 1,036,634.53 and 235,504.35

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Solution

The fourth proportional to 691,054.70, 1,036,634.53 and 235,504.35 is: 353,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,054.70 : 1,036,634.53 = 235,504.35 : x
  2. Step 2: Convert to fraction form
    691,054.70/1,036,634.53 = 235,504.35/x
  3. Step 3: Cross multiply
    691,054.70x = 1,036,634.53 × 235,504.35
  4. Step 4: Simplify right side
    691,054.70x = 244,131,939,997.68
  5. Step 5: Solve for x
    x = 244,131,939,997.68/691,054.70
  6. Step 6: Final answer
    x = 353,274.41

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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.