Finding the Fourth Proportional to 744,894.16, 1,027,950.05 and 405,364.84
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Solution
The fourth proportional to 744,894.16, 1,027,950.05 and 405,364.84 is: 559,401.36
Step by Step Solution
- Step 1: Write the proportion equation
744,894.16 : 1,027,950.05 = 405,364.84 : x - Step 2: Convert to fraction form
744,894.16/1,027,950.05 = 405,364.84/x - Step 3: Cross multiply
744,894.16x = 1,027,950.05 × 405,364.84 - Step 4: Simplify right side
744,894.16x = 416,694,807,546.24 - Step 5: Solve for x
x = 416,694,807,546.24/744,894.16 - Step 6: Final answer
x = 559,401.36
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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.