Finding the Fourth Proportional to 899,193.08, 1,240,871.76 and 491,286.12
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Solution
The fourth proportional to 899,193.08, 1,240,871.76 and 491,286.12 is: 677,966.82
Step by Step Solution
- Step 1: Write the proportion equation
899,193.08 : 1,240,871.76 = 491,286.12 : x - Step 2: Convert to fraction form
899,193.08/1,240,871.76 = 491,286.12/x - Step 3: Cross multiply
899,193.08x = 1,240,871.76 × 491,286.12 - Step 4: Simplify right side
899,193.08x = 609,623,072,387.97 - Step 5: Solve for x
x = 609,623,072,387.97/899,193.08 - Step 6: Final answer
x = 677,966.82
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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.