Finding the Fourth Proportional to 538,134.99, 807,203.50 and 505,252.08
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Solution
The fourth proportional to 538,134.99, 807,203.50 and 505,252.08 is: 757,879.07
Step by Step Solution
- Step 1: Write the proportion equation
538,134.99 : 807,203.50 = 505,252.08 : x - Step 2: Convert to fraction form
538,134.99/807,203.50 = 505,252.08/x - Step 3: Cross multiply
538,134.99x = 807,203.50 × 505,252.08 - Step 4: Simplify right side
538,134.99x = 407,841,247,358.28 - Step 5: Solve for x
x = 407,841,247,358.28/538,134.99 - Step 6: Final answer
x = 757,879.07
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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.