Finding the Fourth Proportional to 977,435.80, 1,465,716.30 and 378,197.80
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Solution
The fourth proportional to 977,435.80, 1,465,716.30 and 378,197.80 is: 567,127.46
Step by Step Solution
- Step 1: Write the proportion equation
977,435.80 : 1,465,716.30 = 378,197.80 : x - Step 2: Convert to fraction form
977,435.80/1,465,716.30 = 378,197.80/x - Step 3: Cross multiply
977,435.80x = 1,465,716.30 × 378,197.80 - Step 4: Simplify right side
977,435.80x = 554,330,680,084.14 - Step 5: Solve for x
x = 554,330,680,084.14/977,435.80 - Step 6: Final answer
x = 567,127.46
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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.