Finding the Fourth Proportional to 684,415.08, 944,523.72 and 382,609.08
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Solution
The fourth proportional to 684,415.08, 944,523.72 and 382,609.08 is: 528,017.81
Step by Step Solution
- Step 1: Write the proportion equation
684,415.08 : 944,523.72 = 382,609.08 : x - Step 2: Convert to fraction form
684,415.08/944,523.72 = 382,609.08/x - Step 3: Cross multiply
684,415.08x = 944,523.72 × 382,609.08 - Step 4: Simplify right side
684,415.08x = 361,383,351,547.38 - Step 5: Solve for x
x = 361,383,351,547.38/684,415.08 - Step 6: Final answer
x = 528,017.81
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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.