Finding the Fourth Proportional to 526,511.44, 726,585.84 and 297,117.28
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Solution
The fourth proportional to 526,511.44, 726,585.84 and 297,117.28 is: 410,021.88
Step by Step Solution
- Step 1: Write the proportion equation
526,511.44 : 726,585.84 = 297,117.28 : x - Step 2: Convert to fraction form
526,511.44/726,585.84 = 297,117.28/x - Step 3: Cross multiply
526,511.44x = 726,585.84 × 297,117.28 - Step 4: Simplify right side
526,511.44x = 215,881,208,467.32 - Step 5: Solve for x
x = 215,881,208,467.32/526,511.44 - Step 6: Final answer
x = 410,021.88
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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.