Finding the Fourth Proportional to 504,041.70, 756,062.55 and 379,625.70
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Solution
The fourth proportional to 504,041.70, 756,062.55 and 379,625.70 is: 569,438.55
Step by Step Solution
- Step 1: Write the proportion equation
504,041.70 : 756,062.55 = 379,625.70 : x - Step 2: Convert to fraction form
504,041.70/756,062.55 = 379,625.70/x - Step 3: Cross multiply
504,041.70x = 756,062.55 × 379,625.70 - Step 4: Simplify right side
504,041.70x = 287,020,774,787.54 - Step 5: Solve for x
x = 287,020,774,787.54/504,041.70 - Step 6: Final answer
x = 569,438.55
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Similar ratio
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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.