Finding the Fourth Proportional to 626,331.14, 864,561.12 and 371,682.32
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Solution
The fourth proportional to 626,331.14, 864,561.12 and 371,682.32 is: 513,054.62
Step by Step Solution
- Step 1: Write the proportion equation
626,331.14 : 864,561.12 = 371,682.32 : x - Step 2: Convert to fraction form
626,331.14/864,561.12 = 371,682.32/x - Step 3: Cross multiply
626,331.14x = 864,561.12 × 371,682.32 - Step 4: Simplify right side
626,331.14x = 321,342,082,863.40 - Step 5: Solve for x
x = 321,342,082,863.40/626,331.14 - Step 6: Final answer
x = 513,054.62
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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.