Finding the Fourth Proportional to 564,889.11, 779,553.09 and 310,240.26
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Solution
The fourth proportional to 564,889.11, 779,553.09 and 310,240.26 is: 428,134.92
Step by Step Solution
- Step 1: Write the proportion equation
564,889.11 : 779,553.09 = 310,240.26 : x - Step 2: Convert to fraction form
564,889.11/779,553.09 = 310,240.26/x - Step 3: Cross multiply
564,889.11x = 779,553.09 × 310,240.26 - Step 4: Simplify right side
564,889.11x = 241,848,753,325.40 - Step 5: Solve for x
x = 241,848,753,325.40/564,889.11 - Step 6: Final answer
x = 428,134.92
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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.