Finding the Fourth Proportional to 783,999.20, 1,174,249.20 and 605,928.80
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Solution
The fourth proportional to 783,999.20, 1,174,249.20 and 605,928.80 is: 907,540.99
Step by Step Solution
- Step 1: Write the proportion equation
783,999.20 : 1,174,249.20 = 605,928.80 : x - Step 2: Convert to fraction form
783,999.20/1,174,249.20 = 605,928.80/x - Step 3: Cross multiply
783,999.20x = 1,174,249.20 × 605,928.80 - Step 4: Simplify right side
783,999.20x = 711,511,408,656.96 - Step 5: Solve for x
x = 711,511,408,656.96/783,999.20 - Step 6: Final answer
x = 907,540.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.