Finding the Fourth Proportional to 627,853.69, 866,431.98 and 341,373.77
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Solution
The fourth proportional to 627,853.69, 866,431.98 and 341,373.77 is: 471,092.48
Step by Step Solution
- Step 1: Write the proportion equation
627,853.69 : 866,431.98 = 341,373.77 : x - Step 2: Convert to fraction form
627,853.69/866,431.98 = 341,373.77/x - Step 3: Cross multiply
627,853.69x = 866,431.98 × 341,373.77 - Step 4: Simplify right side
627,853.69x = 295,777,153,627.25 - Step 5: Solve for x
x = 295,777,153,627.25/627,853.69 - Step 6: Final answer
x = 471,092.48
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1.5x scale
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.