Finding the Fourth Proportional to 478,284.68, 716,581.08 and 449,836.67
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Solution
The fourth proportional to 478,284.68, 716,581.08 and 449,836.67 is: 673,959.38
Step by Step Solution
- Step 1: Write the proportion equation
478,284.68 : 716,581.08 = 449,836.67 : x - Step 2: Convert to fraction form
478,284.68/716,581.08 = 449,836.67/x - Step 3: Cross multiply
478,284.68x = 716,581.08 × 449,836.67 - Step 4: Simplify right side
478,284.68x = 322,344,443,229.30 - Step 5: Solve for x
x = 322,344,443,229.30/478,284.68 - Step 6: Final answer
x = 673,959.38
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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.