Finding the Fourth Proportional to 925,235.70, 1,276,766.19 and 517,371.18
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Solution
The fourth proportional to 925,235.70, 1,276,766.19 and 517,371.18 is: 713,939.19
Step by Step Solution
- Step 1: Write the proportion equation
925,235.70 : 1,276,766.19 = 517,371.18 : x - Step 2: Convert to fraction form
925,235.70/1,276,766.19 = 517,371.18/x - Step 3: Cross multiply
925,235.70x = 1,276,766.19 × 517,371.18 - Step 4: Simplify right side
925,235.70x = 660,562,030,304.40 - Step 5: Solve for x
x = 660,562,030,304.40/925,235.70 - Step 6: Final answer
x = 713,939.19
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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.