Finding the Fourth Proportional to 526,308.26, 726,304.88 and 284,590.26
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Solution
The fourth proportional to 526,308.26, 726,304.88 and 284,590.26 is: 392,734.28
Step by Step Solution
- Step 1: Write the proportion equation
526,308.26 : 726,304.88 = 284,590.26 : x - Step 2: Convert to fraction form
526,308.26/726,304.88 = 284,590.26/x - Step 3: Cross multiply
526,308.26x = 726,304.88 × 284,590.26 - Step 4: Simplify right side
526,308.26x = 206,699,293,215.52 - Step 5: Solve for x
x = 206,699,293,215.52/526,308.26 - Step 6: Final answer
x = 392,734.28
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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.