Finding the Fourth Proportional to 527,828.63, 791,268.84 and 257,803.99
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Solution
The fourth proportional to 527,828.63, 791,268.84 and 257,803.99 is: 386,474.42
Step by Step Solution
- Step 1: Write the proportion equation
527,828.63 : 791,268.84 = 257,803.99 : x - Step 2: Convert to fraction form
527,828.63/791,268.84 = 257,803.99/x - Step 3: Cross multiply
527,828.63x = 791,268.84 × 257,803.99 - Step 4: Simplify right side
527,828.63x = 203,992,265,103.76 - Step 5: Solve for x
x = 203,992,265,103.76/527,828.63 - Step 6: Final answer
x = 386,474.42
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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.