Finding the Fourth Proportional to 885,453.40, 1,328,818.40 and 352,666.20
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Solution
The fourth proportional to 885,453.40, 1,328,818.40 and 352,666.20 is: 529,253.53
Step by Step Solution
- Step 1: Write the proportion equation
885,453.40 : 1,328,818.40 = 352,666.20 : x - Step 2: Convert to fraction form
885,453.40/1,328,818.40 = 352,666.20/x - Step 3: Cross multiply
885,453.40x = 1,328,818.40 × 352,666.20 - Step 4: Simplify right side
885,453.40x = 468,629,335,618.08 - Step 5: Solve for x
x = 468,629,335,618.08/885,453.40 - Step 6: Final answer
x = 529,253.53
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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.