Finding the Fourth Proportional to 569,838.24, 786,391.74 and 315,193.68
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Solution
The fourth proportional to 569,838.24, 786,391.74 and 315,193.68 is: 434,975.56
Step by Step Solution
- Step 1: Write the proportion equation
569,838.24 : 786,391.74 = 315,193.68 : x - Step 2: Convert to fraction form
569,838.24/786,391.74 = 315,193.68/x - Step 3: Cross multiply
569,838.24x = 786,391.74 × 315,193.68 - Step 4: Simplify right side
569,838.24x = 247,865,706,452.20 - Step 5: Solve for x
x = 247,865,706,452.20/569,838.24 - Step 6: Final answer
x = 434,975.56
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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.