Finding the Fourth Proportional to 922,984.19, 1,273,782.12 and 515,165.59
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Solution
The fourth proportional to 922,984.19, 1,273,782.12 and 515,165.59 is: 710,964.20
Step by Step Solution
- Step 1: Write the proportion equation
922,984.19 : 1,273,782.12 = 515,165.59 : x - Step 2: Convert to fraction form
922,984.19/1,273,782.12 = 515,165.59/x - Step 3: Cross multiply
922,984.19x = 1,273,782.12 × 515,165.59 - Step 4: Simplify right side
922,984.19x = 656,208,717,381.25 - Step 5: Solve for x
x = 656,208,717,381.25/922,984.19 - Step 6: Final answer
x = 710,964.20
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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.