Finding the Fourth Proportional to 848,642.08, 1,272,868.08 and 217,570.72
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Solution
The fourth proportional to 848,642.08, 1,272,868.08 and 217,570.72 is: 326,331.71
Step by Step Solution
- Step 1: Write the proportion equation
848,642.08 : 1,272,868.08 = 217,570.72 : x - Step 2: Convert to fraction form
848,642.08/1,272,868.08 = 217,570.72/x - Step 3: Cross multiply
848,642.08x = 1,272,868.08 × 217,570.72 - Step 4: Simplify right side
848,642.08x = 276,938,824,630.62 - Step 5: Solve for x
x = 276,938,824,630.62/848,642.08 - Step 6: Final answer
x = 326,331.71
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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.