Finding the Fourth Proportional to 529,576.63, 730,812.79 and 300,177.29
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Solution
The fourth proportional to 529,576.63, 730,812.79 and 300,177.29 is: 414,242.98
Step by Step Solution
- Step 1: Write the proportion equation
529,576.63 : 730,812.79 = 300,177.29 : x - Step 2: Convert to fraction form
529,576.63/730,812.79 = 300,177.29/x - Step 3: Cross multiply
529,576.63x = 730,812.79 × 300,177.29 - Step 4: Simplify right side
529,576.63x = 219,373,402,799.54 - Step 5: Solve for x
x = 219,373,402,799.54/529,576.63 - Step 6: Final answer
x = 414,242.98
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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.