Finding the Fourth Proportional to 977,097.40, 1,465,646.10 and 809,135.80
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Solution
The fourth proportional to 977,097.40, 1,465,646.10 and 809,135.80 is: 1,213,703.70
Step by Step Solution
- Step 1: Write the proportion equation
977,097.40 : 1,465,646.10 = 809,135.80 : x - Step 2: Convert to fraction form
977,097.40/1,465,646.10 = 809,135.80/x - Step 3: Cross multiply
977,097.40x = 1,465,646.10 × 809,135.80 - Step 4: Simplify right side
977,097.40x = 1,185,906,729,640.38 - Step 5: Solve for x
x = 1,185,906,729,640.38/977,097.40 - Step 6: Final answer
x = 1,213,703.70
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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.