Finding the Fourth Proportional to 489,947.44, 676,075.24 and 275,110.96
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Solution
The fourth proportional to 489,947.44, 676,075.24 and 275,110.96 is: 379,623.80
Step by Step Solution
- Step 1: Write the proportion equation
489,947.44 : 676,075.24 = 275,110.96 : x - Step 2: Convert to fraction form
489,947.44/676,075.24 = 275,110.96/x - Step 3: Cross multiply
489,947.44x = 676,075.24 × 275,110.96 - Step 4: Simplify right side
489,947.44x = 185,995,708,308.63 - Step 5: Solve for x
x = 185,995,708,308.63/489,947.44 - Step 6: Final answer
x = 379,623.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.