Finding the Fourth Proportional to 775,346.91, 1,069,821.84 and 452,994.72
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Solution
The fourth proportional to 775,346.91, 1,069,821.84 and 452,994.72 is: 625,041.05
Step by Step Solution
- Step 1: Write the proportion equation
775,346.91 : 1,069,821.84 = 452,994.72 : x - Step 2: Convert to fraction form
775,346.91/1,069,821.84 = 452,994.72/x - Step 3: Cross multiply
775,346.91x = 1,069,821.84 × 452,994.72 - Step 4: Simplify right side
775,346.91x = 484,623,644,860.69 - Step 5: Solve for x
x = 484,623,644,860.69/775,346.91 - Step 6: Final answer
x = 625,041.05
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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.