Finding the Fourth Proportional to 495,436.70, 683,660.87 and 274,679.88
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Solution
The fourth proportional to 495,436.70, 683,660.87 and 274,679.88 is: 379,035.07
Step by Step Solution
- Step 1: Write the proportion equation
495,436.70 : 683,660.87 = 274,679.88 : x - Step 2: Convert to fraction form
495,436.70/683,660.87 = 274,679.88/x - Step 3: Cross multiply
495,436.70x = 683,660.87 × 274,679.88 - Step 4: Simplify right side
495,436.70x = 187,787,884,370.29 - Step 5: Solve for x
x = 187,787,884,370.29/495,436.70 - Step 6: Final answer
x = 379,035.07
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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.