Finding the Fourth Proportional to 565,195.11, 779,969.07 and 310,562.70
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Solution
The fourth proportional to 565,195.11, 779,969.07 and 310,562.70 is: 428,576.43
Step by Step Solution
- Step 1: Write the proportion equation
565,195.11 : 779,969.07 = 310,562.70 : x - Step 2: Convert to fraction form
565,195.11/779,969.07 = 310,562.70/x - Step 3: Cross multiply
565,195.11x = 779,969.07 × 310,562.70 - Step 4: Simplify right side
565,195.11x = 242,229,301,072.10 - Step 5: Solve for x
x = 242,229,301,072.10/565,195.11 - Step 6: Final answer
x = 428,576.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.