Finding the Fourth Proportional to 788,722.79, 1,183,283.75 and 220,103.82
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Solution
The fourth proportional to 788,722.79, 1,183,283.75 and 220,103.82 is: 330,211.42
Step by Step Solution
- Step 1: Write the proportion equation
788,722.79 : 1,183,283.75 = 220,103.82 : x - Step 2: Convert to fraction form
788,722.79/1,183,283.75 = 220,103.82/x - Step 3: Cross multiply
788,722.79x = 1,183,283.75 × 220,103.82 - Step 4: Simplify right side
788,722.79x = 260,445,274,069.19 - Step 5: Solve for x
x = 260,445,274,069.19/788,722.79 - Step 6: Final answer
x = 330,211.42
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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.