Finding the Fourth Proportional to 660,580.90, 911,571.18 and 374,103.07
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Solution
The fourth proportional to 660,580.90, 911,571.18 and 374,103.07 is: 516,244.99
Step by Step Solution
- Step 1: Write the proportion equation
660,580.90 : 911,571.18 = 374,103.07 : x - Step 2: Convert to fraction form
660,580.90/911,571.18 = 374,103.07/x - Step 3: Cross multiply
660,580.90x = 911,571.18 × 374,103.07 - Step 4: Simplify right side
660,580.90x = 341,021,576,961.52 - Step 5: Solve for x
x = 341,021,576,961.52/660,580.90 - Step 6: Final answer
x = 516,244.99
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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.