Finding the Fourth Proportional to 694,980.60, 959,163.60 and 389,173.44
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Solution
The fourth proportional to 694,980.60, 959,163.60 and 389,173.44 is: 537,109.95
Step by Step Solution
- Step 1: Write the proportion equation
694,980.60 : 959,163.60 = 389,173.44 : x - Step 2: Convert to fraction form
694,980.60/959,163.60 = 389,173.44/x - Step 3: Cross multiply
694,980.60x = 959,163.60 × 389,173.44 - Step 4: Simplify right side
694,980.60x = 373,280,997,734.78 - Step 5: Solve for x
x = 373,280,997,734.78/694,980.60 - Step 6: Final answer
x = 537,109.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.