Finding the Fourth Proportional to 777,898.79, 1,166,836.60 and 474,382.14
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Solution
The fourth proportional to 777,898.79, 1,166,836.60 and 474,382.14 is: 711,566.15
Step by Step Solution
- Step 1: Write the proportion equation
777,898.79 : 1,166,836.60 = 474,382.14 : x - Step 2: Convert to fraction form
777,898.79/1,166,836.60 = 474,382.14/x - Step 3: Cross multiply
777,898.79x = 1,166,836.60 × 474,382.14 - Step 4: Simplify right side
777,898.79x = 553,526,443,338.32 - Step 5: Solve for x
x = 553,526,443,338.32/777,898.79 - Step 6: Final answer
x = 711,566.15
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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.