Finding the Fourth Proportional to 798,985.49, 1,198,482.71 and 266,505.05
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Solution
The fourth proportional to 798,985.49, 1,198,482.71 and 266,505.05 is: 399,759.07
Step by Step Solution
- Step 1: Write the proportion equation
798,985.49 : 1,198,482.71 = 266,505.05 : x - Step 2: Convert to fraction form
798,985.49/1,198,482.71 = 266,505.05/x - Step 3: Cross multiply
798,985.49x = 1,198,482.71 × 266,505.05 - Step 4: Simplify right side
798,985.49x = 319,401,696,965.91 - Step 5: Solve for x
x = 319,401,696,965.91/798,985.49 - Step 6: Final answer
x = 399,759.07
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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.