Finding the Fourth Proportional to 587,219.79, 810,349.53 and 345,518.02
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Solution
The fourth proportional to 587,219.79, 810,349.53 and 345,518.02 is: 476,806.75
Step by Step Solution
- Step 1: Write the proportion equation
587,219.79 : 810,349.53 = 345,518.02 : x - Step 2: Convert to fraction form
587,219.79/810,349.53 = 345,518.02/x - Step 3: Cross multiply
587,219.79x = 810,349.53 × 345,518.02 - Step 4: Simplify right side
587,219.79x = 279,990,361,791.96 - Step 5: Solve for x
x = 279,990,361,791.96/587,219.79 - Step 6: Final answer
x = 476,806.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.