Finding the Fourth Proportional to 659,876.75, 910,703.97 and 373,415.28
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Solution
The fourth proportional to 659,876.75, 910,703.97 and 373,415.28 is: 515,354.99
Step by Step Solution
- Step 1: Write the proportion equation
659,876.75 : 910,703.97 = 373,415.28 : x - Step 2: Convert to fraction form
659,876.75/910,703.97 = 373,415.28/x - Step 3: Cross multiply
659,876.75x = 910,703.97 × 373,415.28 - Step 4: Simplify right side
659,876.75x = 340,070,777,954.66 - Step 5: Solve for x
x = 340,070,777,954.66/659,876.75 - Step 6: Final answer
x = 515,354.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.