Finding the Fourth Proportional to 929,490.04, 1,283,093.22 and 786,994.84
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Solution
The fourth proportional to 929,490.04, 1,283,093.22 and 786,994.84 is: 1,086,388.99
Step by Step Solution
- Step 1: Write the proportion equation
929,490.04 : 1,283,093.22 = 786,994.84 : x - Step 2: Convert to fraction form
929,490.04/1,283,093.22 = 786,994.84/x - Step 3: Cross multiply
929,490.04x = 1,283,093.22 × 786,994.84 - Step 4: Simplify right side
929,490.04x = 1,009,787,743,378.98 - Step 5: Solve for x
x = 1,009,787,743,378.98/929,490.04 - Step 6: Final answer
x = 1,086,388.99
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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.