Finding the Fourth Proportional to 578,698.66, 798,582.13 and 324,037.09
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Solution
The fourth proportional to 578,698.66, 798,582.13 and 324,037.09 is: 447,158.85
Step by Step Solution
- Step 1: Write the proportion equation
578,698.66 : 798,582.13 = 324,037.09 : x - Step 2: Convert to fraction form
578,698.66/798,582.13 = 324,037.09/x - Step 3: Cross multiply
578,698.66x = 798,582.13 × 324,037.09 - Step 4: Simplify right side
578,698.66x = 258,770,229,531.20 - Step 5: Solve for x
x = 258,770,229,531.20/578,698.66 - Step 6: Final answer
x = 447,158.85
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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.