Finding the Fourth Proportional to 737,552.80, 1,105,551.60 and 421,328.80
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Solution
The fourth proportional to 737,552.80, 1,105,551.60 and 421,328.80 is: 631,548.99
Step by Step Solution
- Step 1: Write the proportion equation
737,552.80 : 1,105,551.60 = 421,328.80 : x - Step 2: Convert to fraction form
737,552.80/1,105,551.60 = 421,328.80/x - Step 3: Cross multiply
737,552.80x = 1,105,551.60 × 421,328.80 - Step 4: Simplify right side
737,552.80x = 465,800,728,966.08 - Step 5: Solve for x
x = 465,800,728,966.08/737,552.80 - Step 6: Final answer
x = 631,548.99
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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.