Finding the Fourth Proportional to 577,078.53, 865,716.89 and 257,343.99
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Solution
The fourth proportional to 577,078.53, 865,716.89 and 257,343.99 is: 386,060.17
Step by Step Solution
- Step 1: Write the proportion equation
577,078.53 : 865,716.89 = 257,343.99 : x - Step 2: Convert to fraction form
577,078.53/865,716.89 = 257,343.99/x - Step 3: Cross multiply
577,078.53x = 865,716.89 × 257,343.99 - Step 4: Simplify right side
577,078.53x = 222,787,037,396.27 - Step 5: Solve for x
x = 222,787,037,396.27/577,078.53 - Step 6: Final answer
x = 386,060.17
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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.