Finding the Fourth Proportional to 635,749.40, 877,120.18 and 360,069.68
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Solution
The fourth proportional to 635,749.40, 877,120.18 and 360,069.68 is: 496,774.96
Step by Step Solution
- Step 1: Write the proportion equation
635,749.40 : 877,120.18 = 360,069.68 : x - Step 2: Convert to fraction form
635,749.40/877,120.18 = 360,069.68/x - Step 3: Cross multiply
635,749.40x = 877,120.18 × 360,069.68 - Step 4: Simplify right side
635,749.40x = 315,824,382,534.14 - Step 5: Solve for x
x = 315,824,382,534.14/635,749.40 - Step 6: Final answer
x = 496,774.96
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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.