Finding the Fourth Proportional to 616,742.68, 851,057.94 and 374,991.70
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Solution
The fourth proportional to 616,742.68, 851,057.94 and 374,991.70 is: 517,459.99
Step by Step Solution
- Step 1: Write the proportion equation
616,742.68 : 851,057.94 = 374,991.70 : x - Step 2: Convert to fraction form
616,742.68/851,057.94 = 374,991.70/x - Step 3: Cross multiply
616,742.68x = 851,057.94 × 374,991.70 - Step 4: Simplify right side
616,742.68x = 319,139,663,719.10 - Step 5: Solve for x
x = 319,139,663,719.10/616,742.68 - Step 6: Final answer
x = 517,459.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.