Finding the Fourth Proportional to 448,550.40, 617,739.84 and 438,752.64
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Solution
The fourth proportional to 448,550.40, 617,739.84 and 438,752.64 is: 604,246.45
Step by Step Solution
- Step 1: Write the proportion equation
448,550.40 : 617,739.84 = 438,752.64 : x - Step 2: Convert to fraction form
448,550.40/617,739.84 = 438,752.64/x - Step 3: Cross multiply
448,550.40x = 617,739.84 × 438,752.64 - Step 4: Simplify right side
448,550.40x = 271,034,985,633.18 - Step 5: Solve for x
x = 271,034,985,633.18/448,550.40 - Step 6: Final answer
x = 604,246.45
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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.