Finding the Fourth Proportional to 586,316.09, 809,129.90 and 328,186.62
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Solution
The fourth proportional to 586,316.09, 809,129.90 and 328,186.62 is: 452,905.20
Step by Step Solution
- Step 1: Write the proportion equation
586,316.09 : 809,129.90 = 328,186.62 : x - Step 2: Convert to fraction form
586,316.09/809,129.90 = 328,186.62/x - Step 3: Cross multiply
586,316.09x = 809,129.90 × 328,186.62 - Step 4: Simplify right side
586,316.09x = 265,545,607,842.41 - Step 5: Solve for x
x = 265,545,607,842.41/586,316.09 - Step 6: Final answer
x = 452,905.20
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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.