Finding the Fourth Proportional to 737,528.40, 1,106,292.60 and 405,752.40
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Solution
The fourth proportional to 737,528.40, 1,106,292.60 and 405,752.40 is: 608,628.60
Step by Step Solution
- Step 1: Write the proportion equation
737,528.40 : 1,106,292.60 = 405,752.40 : x - Step 2: Convert to fraction form
737,528.40/1,106,292.60 = 405,752.40/x - Step 3: Cross multiply
737,528.40x = 1,106,292.60 × 405,752.40 - Step 4: Simplify right side
737,528.40x = 448,880,877,552.24 - Step 5: Solve for x
x = 448,880,877,552.24/737,528.40 - Step 6: Final answer
x = 608,628.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.