Finding the Fourth Proportional to 756,786.95, 1,044,374.13 and 412,620.06
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Solution
The fourth proportional to 756,786.95, 1,044,374.13 and 412,620.06 is: 569,420.12
Step by Step Solution
- Step 1: Write the proportion equation
756,786.95 : 1,044,374.13 = 412,620.06 : x - Step 2: Convert to fraction form
756,786.95/1,044,374.13 = 412,620.06/x - Step 3: Cross multiply
756,786.95x = 1,044,374.13 × 412,620.06 - Step 4: Simplify right side
756,786.95x = 430,929,716,183.05 - Step 5: Solve for x
x = 430,929,716,183.05/756,786.95 - Step 6: Final answer
x = 569,420.12
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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.