Finding the Fourth Proportional to 788,794.88, 1,088,759.76 and 466,616.84
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Solution
The fourth proportional to 788,794.88, 1,088,759.76 and 466,616.84 is: 644,063.05
Step by Step Solution
- Step 1: Write the proportion equation
788,794.88 : 1,088,759.76 = 466,616.84 : x - Step 2: Convert to fraction form
788,794.88/1,088,759.76 = 466,616.84/x - Step 3: Cross multiply
788,794.88x = 1,088,759.76 × 466,616.84 - Step 4: Simplify right side
788,794.88x = 508,033,638,730.36 - Step 5: Solve for x
x = 508,033,638,730.36/788,794.88 - Step 6: Final answer
x = 644,063.05
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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.