Finding the Fourth Proportional to 627,989.91, 866,617.94 and 341,503.84
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Solution
The fourth proportional to 627,989.91, 866,617.94 and 341,503.84 is: 471,270.88
Step by Step Solution
- Step 1: Write the proportion equation
627,989.91 : 866,617.94 = 341,503.84 : x - Step 2: Convert to fraction form
627,989.91/866,617.94 = 341,503.84/x - Step 3: Cross multiply
627,989.91x = 866,617.94 × 341,503.84 - Step 4: Simplify right side
627,989.91x = 295,953,353,698.64 - Step 5: Solve for x
x = 295,953,353,698.64/627,989.91 - Step 6: Final answer
x = 471,270.88
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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.