Finding the Fourth Proportional to 419,284.77, 627,746.11 and 376,769.49
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Solution
The fourth proportional to 419,284.77, 627,746.11 and 376,769.49 is: 564,092.95
Step by Step Solution
- Step 1: Write the proportion equation
419,284.77 : 627,746.11 = 376,769.49 : x - Step 2: Convert to fraction form
419,284.77/627,746.11 = 376,769.49/x - Step 3: Cross multiply
419,284.77x = 627,746.11 × 376,769.49 - Step 4: Simplify right side
419,284.77x = 236,515,580,772.26 - Step 5: Solve for x
x = 236,515,580,772.26/419,284.77 - Step 6: Final answer
x = 564,092.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.