Finding the Fourth Proportional to 899,014.13, 1,240,623.84 and 491,105.49
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Solution
The fourth proportional to 899,014.13, 1,240,623.84 and 491,105.49 is: 677,717.02
Step by Step Solution
- Step 1: Write the proportion equation
899,014.13 : 1,240,623.84 = 491,105.49 : x - Step 2: Convert to fraction form
899,014.13/1,240,623.84 = 491,105.49/x - Step 3: Cross multiply
899,014.13x = 1,240,623.84 × 491,105.49 - Step 4: Simplify right side
899,014.13x = 609,277,178,848.88 - Step 5: Solve for x
x = 609,277,178,848.88/899,014.13 - Step 6: Final answer
x = 677,717.02
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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.