Finding the Fourth Proportional to 521,795.36, 721,527.08 and 414,178.56
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Solution
The fourth proportional to 521,795.36, 721,527.08 and 414,178.56 is: 572,716.95
Step by Step Solution
- Step 1: Write the proportion equation
521,795.36 : 721,527.08 = 414,178.56 : x - Step 2: Convert to fraction form
521,795.36/721,527.08 = 414,178.56/x - Step 3: Cross multiply
521,795.36x = 721,527.08 × 414,178.56 - Step 4: Simplify right side
521,795.36x = 298,841,046,995.41 - Step 5: Solve for x
x = 298,841,046,995.41/521,795.36 - Step 6: Final answer
x = 572,716.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.