Finding the Fourth Proportional to 1,379,268.96, 2,068,237.08 and 480,689.52
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Solution
The fourth proportional to 1,379,268.96, 2,068,237.08 and 480,689.52 is: 720,802.05
Step by Step Solution
- Step 1: Write the proportion equation
1,379,268.96 : 2,068,237.08 = 480,689.52 : x - Step 2: Convert to fraction form
1,379,268.96/2,068,237.08 = 480,689.52/x - Step 3: Cross multiply
1,379,268.96x = 2,068,237.08 × 480,689.52 - Step 4: Simplify right side
1,379,268.96x = 994,179,889,231.40 - Step 5: Solve for x
x = 994,179,889,231.40/1,379,268.96 - Step 6: Final answer
x = 720,802.05
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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.