Finding the Fourth Proportional to 669,850.80, 1,003,609.80 and 576,538.80
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Solution
The fourth proportional to 669,850.80, 1,003,609.80 and 576,538.80 is: 863,804.28
Step by Step Solution
- Step 1: Write the proportion equation
669,850.80 : 1,003,609.80 = 576,538.80 : x - Step 2: Convert to fraction form
669,850.80/1,003,609.80 = 576,538.80/x - Step 3: Cross multiply
669,850.80x = 1,003,609.80 × 576,538.80 - Step 4: Simplify right side
669,850.80x = 578,619,989,760.24 - Step 5: Solve for x
x = 578,619,989,760.24/669,850.80 - Step 6: Final answer
x = 863,804.28
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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.