Finding the Fourth Proportional to 846,073.08, 1,268,478.39 and 509,034.75
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Solution
The fourth proportional to 846,073.08, 1,268,478.39 and 509,034.75 is: 763,172.35
Step by Step Solution
- Step 1: Write the proportion equation
846,073.08 : 1,268,478.39 = 509,034.75 : x - Step 2: Convert to fraction form
846,073.08/1,268,478.39 = 509,034.75/x - Step 3: Cross multiply
846,073.08x = 1,268,478.39 × 509,034.75 - Step 4: Simplify right side
846,073.08x = 645,699,580,134.05 - Step 5: Solve for x
x = 645,699,580,134.05/846,073.08 - Step 6: Final answer
x = 763,172.35
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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.