Finding the Fourth Proportional to 660,580.65, 911,570.84 and 374,102.82
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Solution
The fourth proportional to 660,580.65, 911,570.84 and 374,102.82 is: 516,244.64
Step by Step Solution
- Step 1: Write the proportion equation
660,580.65 : 911,570.84 = 374,102.82 : x - Step 2: Convert to fraction form
660,580.65/911,570.84 = 374,102.82/x - Step 3: Cross multiply
660,580.65x = 911,570.84 × 374,102.82 - Step 4: Simplify right side
660,580.65x = 341,021,220,003.26 - Step 5: Solve for x
x = 341,021,220,003.26/660,580.65 - Step 6: Final answer
x = 516,244.64
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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.