Finding the Fourth Proportional to 1,344,000.84, 2,016,394.98 and 397,396.20
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Solution
The fourth proportional to 1,344,000.84, 2,016,394.98 and 397,396.20 is: 596,210.72
Step by Step Solution
- Step 1: Write the proportion equation
1,344,000.84 : 2,016,394.98 = 397,396.20 : x - Step 2: Convert to fraction form
1,344,000.84/2,016,394.98 = 397,396.20/x - Step 3: Cross multiply
1,344,000.84x = 2,016,394.98 × 397,396.20 - Step 4: Simplify right side
1,344,000.84x = 801,307,702,751.08 - Step 5: Solve for x
x = 801,307,702,751.08/1,344,000.84 - Step 6: Final answer
x = 596,210.72
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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.