Finding the Fourth Proportional to 526,021.16, 725,872.74 and 296,586.60
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Solution
The fourth proportional to 526,021.16, 725,872.74 and 296,586.60 is: 409,268.95
Step by Step Solution
- Step 1: Write the proportion equation
526,021.16 : 725,872.74 = 296,586.60 : x - Step 2: Convert to fraction form
526,021.16/725,872.74 = 296,586.60/x - Step 3: Cross multiply
526,021.16x = 725,872.74 × 296,586.60 - Step 4: Simplify right side
526,021.16x = 215,284,127,989.28 - Step 5: Solve for x
x = 215,284,127,989.28/526,021.16 - Step 6: Final answer
x = 409,268.95
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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.