Finding the Fourth Proportional to 923,073.36, 1,273,840.56 and 520,665.36
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Solution
The fourth proportional to 923,073.36, 1,273,840.56 and 520,665.36 is: 718,517.82
Step by Step Solution
- Step 1: Write the proportion equation
923,073.36 : 1,273,840.56 = 520,665.36 : x - Step 2: Convert to fraction form
923,073.36/1,273,840.56 = 520,665.36/x - Step 3: Cross multiply
923,073.36x = 1,273,840.56 × 520,665.36 - Step 4: Simplify right side
923,073.36x = 663,244,653,755.00 - Step 5: Solve for x
x = 663,244,653,755.00/923,073.36 - Step 6: Final answer
x = 718,517.82
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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.