Finding the Fourth Proportional to 756,818.36, 1,044,662.41 and 450,990.67
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Solution
The fourth proportional to 756,818.36, 1,044,662.41 and 450,990.67 is: 622,517.93
Step by Step Solution
- Step 1: Write the proportion equation
756,818.36 : 1,044,662.41 = 450,990.67 : x - Step 2: Convert to fraction form
756,818.36/1,044,662.41 = 450,990.67/x - Step 3: Cross multiply
756,818.36x = 1,044,662.41 × 450,990.67 - Step 4: Simplify right side
756,818.36x = 471,132,997,599.86 - Step 5: Solve for x
x = 471,132,997,599.86/756,818.36 - Step 6: Final answer
x = 622,517.93
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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.