Finding the Fourth Proportional to 777,893.26, 1,166,828.30 and 474,376.60
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Solution
The fourth proportional to 777,893.26, 1,166,828.30 and 474,376.60 is: 711,557.84
Step by Step Solution
- Step 1: Write the proportion equation
777,893.26 : 1,166,828.30 = 474,376.60 : x - Step 2: Convert to fraction form
777,893.26/1,166,828.30 = 474,376.60/x - Step 3: Cross multiply
777,893.26x = 1,166,828.30 × 474,376.60 - Step 4: Simplify right side
777,893.26x = 553,516,041,737.78 - Step 5: Solve for x
x = 553,516,041,737.78/777,893.26 - Step 6: Final answer
x = 711,557.84
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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.