Finding the Fourth Proportional to 585,643.20, 878,464.80 and 349,252.80
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Solution
The fourth proportional to 585,643.20, 878,464.80 and 349,252.80 is: 523,879.20
Step by Step Solution
- Step 1: Write the proportion equation
585,643.20 : 878,464.80 = 349,252.80 : x - Step 2: Convert to fraction form
585,643.20/878,464.80 = 349,252.80/x - Step 3: Cross multiply
585,643.20x = 878,464.80 × 349,252.80 - Step 4: Simplify right side
585,643.20x = 306,806,291,101.44 - Step 5: Solve for x
x = 306,806,291,101.44/585,643.20 - Step 6: Final answer
x = 523,879.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.