Finding the Fourth Proportional to 829,596.66, 1,245,136.74 and 425,064.84
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Solution
The fourth proportional to 829,596.66, 1,245,136.74 and 425,064.84 is: 637,977.31
Step by Step Solution
- Step 1: Write the proportion equation
829,596.66 : 1,245,136.74 = 425,064.84 : x - Step 2: Convert to fraction form
829,596.66/1,245,136.74 = 425,064.84/x - Step 3: Cross multiply
829,596.66x = 1,245,136.74 × 425,064.84 - Step 4: Simplify right side
829,596.66x = 529,263,849,166.22 - Step 5: Solve for x
x = 529,263,849,166.22/829,596.66 - Step 6: Final answer
x = 637,977.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.