Finding the Fourth Proportional to 730,536.80, 1,008,137.84 and 408,246.82
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Solution
The fourth proportional to 730,536.80, 1,008,137.84 and 408,246.82 is: 563,378.96
Step by Step Solution
- Step 1: Write the proportion equation
730,536.80 : 1,008,137.84 = 408,246.82 : x - Step 2: Convert to fraction form
730,536.80/1,008,137.84 = 408,246.82/x - Step 3: Cross multiply
730,536.80x = 1,008,137.84 × 408,246.82 - Step 4: Simplify right side
730,536.80x = 411,569,062,740.09 - Step 5: Solve for x
x = 411,569,062,740.09/730,536.80 - Step 6: Final answer
x = 563,378.96
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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.