Finding the Fourth Proportional to 528,458.18, 792,687.81 and 247,975.70
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Solution
The fourth proportional to 528,458.18, 792,687.81 and 247,975.70 is: 371,963.80
Step by Step Solution
- Step 1: Write the proportion equation
528,458.18 : 792,687.81 = 247,975.70 : x - Step 2: Convert to fraction form
528,458.18/792,687.81 = 247,975.70/x - Step 3: Cross multiply
528,458.18x = 792,687.81 × 247,975.70 - Step 4: Simplify right side
528,458.18x = 196,567,310,602.78 - Step 5: Solve for x
x = 196,567,310,602.78/528,458.18 - Step 6: Final answer
x = 371,963.80
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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.