Finding the Fourth Proportional to 578,763.48, 798,694.25 and 324,114.68
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Solution
The fourth proportional to 578,763.48, 798,694.25 and 324,114.68 is: 447,278.61
Step by Step Solution
- Step 1: Write the proportion equation
578,763.48 : 798,694.25 = 324,114.68 : x - Step 2: Convert to fraction form
578,763.48/798,694.25 = 324,114.68/x - Step 3: Cross multiply
578,763.48x = 798,694.25 × 324,114.68 - Step 4: Simplify right side
578,763.48x = 258,868,525,642.55 - Step 5: Solve for x
x = 258,868,525,642.55/578,763.48 - Step 6: Final answer
x = 447,278.61
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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.