Finding the Fourth Proportional to 519,796.36, 717,324.96 and 304,940.08
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Solution
The fourth proportional to 519,796.36, 717,324.96 and 304,940.08 is: 420,820.82
Step by Step Solution
- Step 1: Write the proportion equation
519,796.36 : 717,324.96 = 304,940.08 : x - Step 2: Convert to fraction form
519,796.36/717,324.96 = 304,940.08/x - Step 3: Cross multiply
519,796.36x = 717,324.96 × 304,940.08 - Step 4: Simplify right side
519,796.36x = 218,741,130,688.40 - Step 5: Solve for x
x = 218,741,130,688.40/519,796.36 - Step 6: Final answer
x = 420,820.82
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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.