Finding the Fourth Proportional to 757,717.64, 1,045,652.56 and 413,556.74
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Solution
The fourth proportional to 757,717.64, 1,045,652.56 and 413,556.74 is: 570,709.51
Step by Step Solution
- Step 1: Write the proportion equation
757,717.64 : 1,045,652.56 = 413,556.74 : x - Step 2: Convert to fraction form
757,717.64/1,045,652.56 = 413,556.74/x - Step 3: Cross multiply
757,717.64x = 1,045,652.56 × 413,556.74 - Step 4: Simplify right side
757,717.64x = 432,436,663,886.25 - Step 5: Solve for x
x = 432,436,663,886.25/757,717.64 - Step 6: Final answer
x = 570,709.51
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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.