Finding the Fourth Proportional to 730,577.16, 1,008,241.25 and 408,312.99
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Solution
The fourth proportional to 730,577.16, 1,008,241.25 and 408,312.99 is: 563,496.94
Step by Step Solution
- Step 1: Write the proportion equation
730,577.16 : 1,008,241.25 = 408,312.99 : x - Step 2: Convert to fraction form
730,577.16/1,008,241.25 = 408,312.99/x - Step 3: Cross multiply
730,577.16x = 1,008,241.25 × 408,312.99 - Step 4: Simplify right side
730,577.16x = 411,677,997,387.27 - Step 5: Solve for x
x = 411,677,997,387.27/730,577.16 - Step 6: Final answer
x = 563,496.94
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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.