Finding the Fourth Proportional to 720,349.84, 1,080,586.12 and 214,878.24
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Solution
The fourth proportional to 720,349.84, 1,080,586.12 and 214,878.24 is: 322,335.66
Step by Step Solution
- Step 1: Write the proportion equation
720,349.84 : 1,080,586.12 = 214,878.24 : x - Step 2: Convert to fraction form
720,349.84/1,080,586.12 = 214,878.24/x - Step 3: Cross multiply
720,349.84x = 1,080,586.12 × 214,878.24 - Step 4: Simplify right side
720,349.84x = 232,194,443,634.03 - Step 5: Solve for x
x = 232,194,443,634.03/720,349.84 - Step 6: Final answer
x = 322,335.66
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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.