Finding the Fourth Proportional to 899,192.95, 1,240,871.58 and 491,286.01
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Solution
The fourth proportional to 899,192.95, 1,240,871.58 and 491,286.01 is: 677,966.66
Step by Step Solution
- Step 1: Write the proportion equation
899,192.95 : 1,240,871.58 = 491,286.01 : x - Step 2: Convert to fraction form
899,192.95/1,240,871.58 = 491,286.01/x - Step 3: Cross multiply
899,192.95x = 1,240,871.58 × 491,286.01 - Step 4: Simplify right side
899,192.95x = 609,622,841,256.24 - Step 5: Solve for x
x = 609,622,841,256.24/899,192.95 - Step 6: Final answer
x = 677,966.66
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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.