Finding the Fourth Proportional to 998,246.80, 1,497,370.20 and 821,099.80
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Solution
The fourth proportional to 998,246.80, 1,497,370.20 and 821,099.80 is: 1,231,649.70
Step by Step Solution
- Step 1: Write the proportion equation
998,246.80 : 1,497,370.20 = 821,099.80 : x - Step 2: Convert to fraction form
998,246.80/1,497,370.20 = 821,099.80/x - Step 3: Cross multiply
998,246.80x = 1,497,370.20 × 821,099.80 - Step 4: Simplify right side
998,246.80x = 1,229,490,371,745.96 - Step 5: Solve for x
x = 1,229,490,371,745.96/998,246.80 - Step 6: Final answer
x = 1,231,649.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.