Finding the Fourth Proportional to 526,752.92, 726,922.39 and 308,917.18
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Solution
The fourth proportional to 526,752.92, 726,922.39 and 308,917.18 is: 426,307.68
Step by Step Solution
- Step 1: Write the proportion equation
526,752.92 : 726,922.39 = 308,917.18 : x - Step 2: Convert to fraction form
526,752.92/726,922.39 = 308,917.18/x - Step 3: Cross multiply
526,752.92x = 726,922.39 × 308,917.18 - Step 4: Simplify right side
526,752.92x = 224,558,815,513.24 - Step 5: Solve for x
x = 224,558,815,513.24/526,752.92 - Step 6: Final answer
x = 426,307.68
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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.