Finding the Fourth Proportional to 558,971.70, 771,355.53 and 304,322.34
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Solution
The fourth proportional to 558,971.70, 771,355.53 and 304,322.34 is: 419,950.99
Step by Step Solution
- Step 1: Write the proportion equation
558,971.70 : 771,355.53 = 304,322.34 : x - Step 2: Convert to fraction form
558,971.70/771,355.53 = 304,322.34/x - Step 3: Cross multiply
558,971.70x = 771,355.53 × 304,322.34 - Step 4: Simplify right side
558,971.70x = 234,740,719,861.54 - Step 5: Solve for x
x = 234,740,719,861.54/558,971.70 - Step 6: Final answer
x = 419,950.99
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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.