Finding the Fourth Proportional to 829,595.66, 1,245,135.24 and 425,063.84
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Solution
The fourth proportional to 829,595.66, 1,245,135.24 and 425,063.84 is: 637,975.81
Step by Step Solution
- Step 1: Write the proportion equation
829,595.66 : 1,245,135.24 = 425,063.84 : x - Step 2: Convert to fraction form
829,595.66/1,245,135.24 = 425,063.84/x - Step 3: Cross multiply
829,595.66x = 1,245,135.24 × 425,063.84 - Step 4: Simplify right side
829,595.66x = 529,261,960,208.05 - Step 5: Solve for x
x = 529,261,960,208.05/829,595.66 - Step 6: Final answer
x = 637,975.81
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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.