Finding the Fourth Proportional to 425,866.92, 638,048.70 and 379,531.68
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Solution
The fourth proportional to 425,866.92, 638,048.70 and 379,531.68 is: 568,627.62
Step by Step Solution
- Step 1: Write the proportion equation
425,866.92 : 638,048.70 = 379,531.68 : x - Step 2: Convert to fraction form
425,866.92/638,048.70 = 379,531.68/x - Step 3: Cross multiply
425,866.92x = 638,048.70 × 379,531.68 - Step 4: Simplify right side
425,866.92x = 242,159,695,032.82 - Step 5: Solve for x
x = 242,159,695,032.82/425,866.92 - Step 6: Final answer
x = 568,627.62
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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.