Home / 699,236.88-1,048,369.32-357,015.12

Finding the Fourth Proportional to 699,236.88, 1,048,369.32 and 357,015.12

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Solution

The fourth proportional to 699,236.88, 1,048,369.32 and 357,015.12 is: 535,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,236.88 : 1,048,369.32 = 357,015.12 : x
  2. Step 2: Convert to fraction form
    699,236.88/1,048,369.32 = 357,015.12/x
  3. Step 3: Cross multiply
    699,236.88x = 1,048,369.32 × 357,015.12
  4. Step 4: Simplify right side
    699,236.88x = 374,283,698,584.12
  5. Step 5: Solve for x
    x = 374,283,698,584.12/699,236.88
  6. Step 6: Final answer
    x = 535,274.54

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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.