Finding the Fourth Proportional to 965,783.20, 1,333,138.70 and 829,268.84
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Solution
The fourth proportional to 965,783.20, 1,333,138.70 and 829,268.84 is: 1,144,698.29
Step by Step Solution
- Step 1: Write the proportion equation
965,783.20 : 1,333,138.70 = 829,268.84 : x - Step 2: Convert to fraction form
965,783.20/1,333,138.70 = 829,268.84/x - Step 3: Cross multiply
965,783.20x = 1,333,138.70 × 829,268.84 - Step 4: Simplify right side
965,783.20x = 1,105,530,381,215.22 - Step 5: Solve for x
x = 1,105,530,381,215.22/965,783.20 - Step 6: Final answer
x = 1,144,698.29
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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.