Finding the Fourth Proportional to 660,625.29, 911,674.91 and 374,204.84
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Solution
The fourth proportional to 660,625.29, 911,674.91 and 374,204.84 is: 516,409.48
Step by Step Solution
- Step 1: Write the proportion equation
660,625.29 : 911,674.91 = 374,204.84 : x - Step 2: Convert to fraction form
660,625.29/911,674.91 = 374,204.84/x - Step 3: Cross multiply
660,625.29x = 911,674.91 × 374,204.84 - Step 4: Simplify right side
660,625.29x = 341,153,160,205.70 - Step 5: Solve for x
x = 341,153,160,205.70/660,625.29 - Step 6: Final answer
x = 516,409.48
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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.