Finding the Fourth Proportional to 994,347.84, 1,491,033.60 and 425,648.64
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Solution
The fourth proportional to 994,347.84, 1,491,033.60 and 425,648.64 is: 638,263.99
Step by Step Solution
- Step 1: Write the proportion equation
994,347.84 : 1,491,033.60 = 425,648.64 : x - Step 2: Convert to fraction form
994,347.84/1,491,033.60 = 425,648.64/x - Step 3: Cross multiply
994,347.84x = 1,491,033.60 × 425,648.64 - Step 4: Simplify right side
994,347.84x = 634,656,424,034.30 - Step 5: Solve for x
x = 634,656,424,034.30/994,347.84 - Step 6: Final answer
x = 638,263.99
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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.