Finding the Fourth Proportional to 678,676.34, 1,017,846.29 and 229,387.23
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Solution
The fourth proportional to 678,676.34, 1,017,846.29 and 229,387.23 is: 344,023.99
Step by Step Solution
- Step 1: Write the proportion equation
678,676.34 : 1,017,846.29 = 229,387.23 : x - Step 2: Convert to fraction form
678,676.34/1,017,846.29 = 229,387.23/x - Step 3: Cross multiply
678,676.34x = 1,017,846.29 × 229,387.23 - Step 4: Simplify right side
678,676.34x = 233,480,941,028.88 - Step 5: Solve for x
x = 233,480,941,028.88/678,676.34 - Step 6: Final answer
x = 344,023.99
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1.5x scale
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.