Finding the Fourth Proportional to 890,114.04, 1,335,381.10 and 291,072.87
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Solution
The fourth proportional to 890,114.04, 1,335,381.10 and 291,072.87 is: 436,677.99
Step by Step Solution
- Step 1: Write the proportion equation
890,114.04 : 1,335,381.10 = 291,072.87 : x - Step 2: Convert to fraction form
890,114.04/1,335,381.10 = 291,072.87/x - Step 3: Cross multiply
890,114.04x = 1,335,381.10 × 291,072.87 - Step 4: Simplify right side
890,114.04x = 388,693,208,593.08 - Step 5: Solve for x
x = 388,693,208,593.08/890,114.04 - Step 6: Final answer
x = 436,677.99
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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.