Finding the Fourth Proportional to 686,047.32, 1,029,452.34 and 306,952.74
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Solution
The fourth proportional to 686,047.32, 1,029,452.34 and 306,952.74 is: 460,599.74
Step by Step Solution
- Step 1: Write the proportion equation
686,047.32 : 1,029,452.34 = 306,952.74 : x - Step 2: Convert to fraction form
686,047.32/1,029,452.34 = 306,952.74/x - Step 3: Cross multiply
686,047.32x = 1,029,452.34 × 306,952.74 - Step 4: Simplify right side
686,047.32x = 315,993,215,886.88 - Step 5: Solve for x
x = 315,993,215,886.88/686,047.32 - Step 6: Final answer
x = 460,599.74
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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.