Finding the Fourth Proportional to 835,313.19, 1,152,736.88 and 472,737.75
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Solution
The fourth proportional to 835,313.19, 1,152,736.88 and 472,737.75 is: 652,380.74
Step by Step Solution
- Step 1: Write the proportion equation
835,313.19 : 1,152,736.88 = 472,737.75 : x - Step 2: Convert to fraction form
835,313.19/1,152,736.88 = 472,737.75/x - Step 3: Cross multiply
835,313.19x = 1,152,736.88 × 472,737.75 - Step 4: Simplify right side
835,313.19x = 544,942,238,993.22 - Step 5: Solve for x
x = 544,942,238,993.22/835,313.19 - Step 6: Final answer
x = 652,380.74
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1.5x scale
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.