Finding the Fourth Proportional to 626,318.14, 864,543.18 and 371,669.32
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Solution
The fourth proportional to 626,318.14, 864,543.18 and 371,669.32 is: 513,036.67
Step by Step Solution
- Step 1: Write the proportion equation
626,318.14 : 864,543.18 = 371,669.32 : x - Step 2: Convert to fraction form
626,318.14/864,543.18 = 371,669.32/x - Step 3: Cross multiply
626,318.14x = 864,543.18 × 371,669.32 - Step 4: Simplify right side
626,318.14x = 321,324,175,821.24 - Step 5: Solve for x
x = 321,324,175,821.24/626,318.14 - Step 6: Final answer
x = 513,036.67
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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.