Finding the Fourth Proportional to 774,493.13, 1,068,797.03 and 430,385.09
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Solution
The fourth proportional to 774,493.13, 1,068,797.03 and 430,385.09 is: 593,929.47
Step by Step Solution
- Step 1: Write the proportion equation
774,493.13 : 1,068,797.03 = 430,385.09 : x - Step 2: Convert to fraction form
774,493.13/1,068,797.03 = 430,385.09/x - Step 3: Cross multiply
774,493.13x = 1,068,797.03 × 430,385.09 - Step 4: Simplify right side
774,493.13x = 459,994,298,452.37 - Step 5: Solve for x
x = 459,994,298,452.37/774,493.13 - Step 6: Final answer
x = 593,929.47
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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.