Finding the Fourth Proportional to 902,431.80, 1,353,647.70 and 369,775.80
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Solution
The fourth proportional to 902,431.80, 1,353,647.70 and 369,775.80 is: 554,663.70
Step by Step Solution
- Step 1: Write the proportion equation
902,431.80 : 1,353,647.70 = 369,775.80 : x - Step 2: Convert to fraction form
902,431.80/1,353,647.70 = 369,775.80/x - Step 3: Cross multiply
902,431.80x = 1,353,647.70 × 369,775.80 - Step 4: Simplify right side
902,431.80x = 500,546,161,185.66 - Step 5: Solve for x
x = 500,546,161,185.66/902,431.80 - Step 6: Final answer
x = 554,663.70
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1.5x scale
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.