Finding the Fourth Proportional to 1,461,689.25, 2,192,912.19 and 450,788.90
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Solution
The fourth proportional to 1,461,689.25, 2,192,912.19 and 450,788.90 is: 676,300.02
Step by Step Solution
- Step 1: Write the proportion equation
1,461,689.25 : 2,192,912.19 = 450,788.90 : x - Step 2: Convert to fraction form
1,461,689.25/2,192,912.19 = 450,788.90/x - Step 3: Cross multiply
1,461,689.25x = 2,192,912.19 × 450,788.90 - Step 4: Simplify right side
1,461,689.25x = 988,540,462,962.13 - Step 5: Solve for x
x = 988,540,462,962.13/1,461,689.25 - Step 6: Final answer
x = 676,300.02
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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.