Finding the Fourth Proportional to 729,001.75, 1,006,020.93 and 406,692.62
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Solution
The fourth proportional to 729,001.75, 1,006,020.93 and 406,692.62 is: 561,234.99
Step by Step Solution
- Step 1: Write the proportion equation
729,001.75 : 1,006,020.93 = 406,692.62 : x - Step 2: Convert to fraction form
729,001.75/1,006,020.93 = 406,692.62/x - Step 3: Cross multiply
729,001.75x = 1,006,020.93 × 406,692.62 - Step 4: Simplify right side
729,001.75x = 409,141,287,796.54 - Step 5: Solve for x
x = 409,141,287,796.54/729,001.75 - Step 6: Final answer
x = 561,234.99
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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.