Finding the Fourth Proportional to 720,679.29, 1,080,653.98 and 240,735.99
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Solution
The fourth proportional to 720,679.29, 1,080,653.98 and 240,735.99 is: 360,982.08
Step by Step Solution
- Step 1: Write the proportion equation
720,679.29 : 1,080,653.98 = 240,735.99 : x - Step 2: Convert to fraction form
720,679.29/1,080,653.98 = 240,735.99/x - Step 3: Cross multiply
720,679.29x = 1,080,653.98 × 240,735.99 - Step 4: Simplify right side
720,679.29x = 260,152,305,722.74 - Step 5: Solve for x
x = 260,152,305,722.74/720,679.29 - Step 6: Final answer
x = 360,982.08
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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.