Finding the Fourth Proportional to 627,840.24, 866,415.12 and 341,360.40
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Solution
The fourth proportional to 627,840.24, 866,415.12 and 341,360.40 is: 471,074.95
Step by Step Solution
- Step 1: Write the proportion equation
627,840.24 : 866,415.12 = 341,360.40 : x - Step 2: Convert to fraction form
627,840.24/866,415.12 = 341,360.40/x - Step 3: Cross multiply
627,840.24x = 866,415.12 × 341,360.40 - Step 4: Simplify right side
627,840.24x = 295,759,811,929.25 - Step 5: Solve for x
x = 295,759,811,929.25/627,840.24 - Step 6: Final answer
x = 471,074.95
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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.