Finding the Fourth Proportional to 578,765.07, 798,728.99 and 324,114.03
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Solution
The fourth proportional to 578,765.07, 798,728.99 and 324,114.03 is: 447,295.95
Step by Step Solution
- Step 1: Write the proportion equation
578,765.07 : 798,728.99 = 324,114.03 : x - Step 2: Convert to fraction form
578,765.07/798,728.99 = 324,114.03/x - Step 3: Cross multiply
578,765.07x = 798,728.99 × 324,114.03 - Step 4: Simplify right side
578,765.07x = 258,879,270,206.16 - Step 5: Solve for x
x = 258,879,270,206.16/578,765.07 - Step 6: Final answer
x = 447,295.95
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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.