Finding the Fourth Proportional to 831,559.40, 1,247,148.41 and 232,562.88
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Solution
The fourth proportional to 831,559.40, 1,247,148.41 and 232,562.88 is: 348,790.99
Step by Step Solution
- Step 1: Write the proportion equation
831,559.40 : 1,247,148.41 = 232,562.88 : x - Step 2: Convert to fraction form
831,559.40/1,247,148.41 = 232,562.88/x - Step 3: Cross multiply
831,559.40x = 1,247,148.41 × 232,562.88 - Step 4: Simplify right side
831,559.40x = 290,040,430,442.67 - Step 5: Solve for x
x = 290,040,430,442.67/831,559.40 - Step 6: Final answer
x = 348,790.99
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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.