Finding the Fourth Proportional to 789,893.93, 1,184,121.14 and 284,336.07
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Solution
The fourth proportional to 789,893.93, 1,184,121.14 and 284,336.07 is: 426,245.02
Step by Step Solution
- Step 1: Write the proportion equation
789,893.93 : 1,184,121.14 = 284,336.07 : x - Step 2: Convert to fraction form
789,893.93/1,184,121.14 = 284,336.07/x - Step 3: Cross multiply
789,893.93x = 1,184,121.14 × 284,336.07 - Step 4: Simplify right side
789,893.93x = 336,688,349,929.84 - Step 5: Solve for x
x = 336,688,349,929.84/789,893.93 - Step 6: Final answer
x = 426,245.02
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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.