Finding the Fourth Proportional to 730,715.24, 1,008,317.76 and 408,417.96
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Solution
The fourth proportional to 730,715.24, 1,008,317.76 and 408,417.96 is: 563,578.07
Step by Step Solution
- Step 1: Write the proportion equation
730,715.24 : 1,008,317.76 = 408,417.96 : x - Step 2: Convert to fraction form
730,715.24/1,008,317.76 = 408,417.96/x - Step 3: Cross multiply
730,715.24x = 1,008,317.76 × 408,417.96 - Step 4: Simplify right side
730,715.24x = 411,815,082,570.97 - Step 5: Solve for x
x = 411,815,082,570.97/730,715.24 - Step 6: Final answer
x = 563,578.07
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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.