Finding the Fourth Proportional to 845,106.26, 1,267,258.41 and 490,229.06
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Solution
The fourth proportional to 845,106.26, 1,267,258.41 and 490,229.06 is: 735,110.99
Step by Step Solution
- Step 1: Write the proportion equation
845,106.26 : 1,267,258.41 = 490,229.06 : x - Step 2: Convert to fraction form
845,106.26/1,267,258.41 = 490,229.06/x - Step 3: Cross multiply
845,106.26x = 1,267,258.41 × 490,229.06 - Step 4: Simplify right side
845,106.26x = 621,246,892,775.10 - Step 5: Solve for x
x = 621,246,892,775.10/845,106.26 - Step 6: Final answer
x = 735,110.99
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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.