Finding the Fourth Proportional to 977,013.40, 1,465,729.09 and 303,080.08
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Solution
The fourth proportional to 977,013.40, 1,465,729.09 and 303,080.08 is: 454,684.95
Step by Step Solution
- Step 1: Write the proportion equation
977,013.40 : 1,465,729.09 = 303,080.08 : x - Step 2: Convert to fraction form
977,013.40/1,465,729.09 = 303,080.08/x - Step 3: Cross multiply
977,013.40x = 1,465,729.09 × 303,080.08 - Step 4: Simplify right side
977,013.40x = 444,233,289,855.53 - Step 5: Solve for x
x = 444,233,289,855.53/977,013.40 - Step 6: Final answer
x = 454,684.95
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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.