Finding the Fourth Proportional to 628,202.44, 866,975.60 and 370,081.76
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Solution
The fourth proportional to 628,202.44, 866,975.60 and 370,081.76 is: 510,745.96
Step by Step Solution
- Step 1: Write the proportion equation
628,202.44 : 866,975.60 = 370,081.76 : x - Step 2: Convert to fraction form
628,202.44/866,975.60 = 370,081.76/x - Step 3: Cross multiply
628,202.44x = 866,975.60 × 370,081.76 - Step 4: Simplify right side
628,202.44x = 320,851,855,925.06 - Step 5: Solve for x
x = 320,851,855,925.06/628,202.44 - Step 6: Final answer
x = 510,745.96
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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.