Finding the Fourth Proportional to 886,808.10, 1,330,212.15 and 606,872.10
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Solution
The fourth proportional to 886,808.10, 1,330,212.15 and 606,872.10 is: 910,308.15
Step by Step Solution
- Step 1: Write the proportion equation
886,808.10 : 1,330,212.15 = 606,872.10 : x - Step 2: Convert to fraction form
886,808.10/1,330,212.15 = 606,872.10/x - Step 3: Cross multiply
886,808.10x = 1,330,212.15 × 606,872.10 - Step 4: Simplify right side
886,808.10x = 807,268,640,916.02 - Step 5: Solve for x
x = 807,268,640,916.02/886,808.10 - Step 6: Final answer
x = 910,308.15
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1.5x scale
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.