Finding the Fourth Proportional to 815,322.60, 1,125,107.64 and 452,769.66
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Solution
The fourth proportional to 815,322.60, 1,125,107.64 and 452,769.66 is: 624,801.28
Step by Step Solution
- Step 1: Write the proportion equation
815,322.60 : 1,125,107.64 = 452,769.66 : x - Step 2: Convert to fraction form
815,322.60/1,125,107.64 = 452,769.66/x - Step 3: Cross multiply
815,322.60x = 1,125,107.64 × 452,769.66 - Step 4: Simplify right side
815,322.60x = 509,414,603,626.20 - Step 5: Solve for x
x = 509,414,603,626.20/815,322.60 - Step 6: Final answer
x = 624,801.28
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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.