Finding the Fourth Proportional to 527,283.92, 727,647.84 and 285,560.84
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Solution
The fourth proportional to 527,283.92, 727,647.84 and 285,560.84 is: 394,071.81
Step by Step Solution
- Step 1: Write the proportion equation
527,283.92 : 727,647.84 = 285,560.84 : x - Step 2: Convert to fraction form
527,283.92/727,647.84 = 285,560.84/x - Step 3: Cross multiply
527,283.92x = 727,647.84 × 285,560.84 - Step 4: Simplify right side
527,283.92x = 207,787,728,414.59 - Step 5: Solve for x
x = 207,787,728,414.59/527,283.92 - Step 6: Final answer
x = 394,071.81
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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.