Finding the Fourth Proportional to 1,008,674.24, 1,513,236 and 440,147.12
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Solution
The fourth proportional to 1,008,674.24, 1,513,236 and 440,147.12 is: 660,318.70
Step by Step Solution
- Step 1: Write the proportion equation
1,008,674.24 : 1,513,236 = 440,147.12 : x - Step 2: Convert to fraction form
1,008,674.24/1,513,236 = 440,147.12/x - Step 3: Cross multiply
1,008,674.24x = 1,513,236 × 440,147.12 - Step 4: Simplify right side
1,008,674.24x = 666,046,467,280.32 - Step 5: Solve for x
x = 666,046,467,280.32/1,008,674.24 - Step 6: Final answer
x = 660,318.70
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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.