Finding the Fourth Proportional to 796,237.75, 1,098,808.10 and 438,541.75
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Solution
The fourth proportional to 796,237.75, 1,098,808.10 and 438,541.75 is: 605,187.62
Step by Step Solution
- Step 1: Write the proportion equation
796,237.75 : 1,098,808.10 = 438,541.75 : x - Step 2: Convert to fraction form
796,237.75/1,098,808.10 = 438,541.75/x - Step 3: Cross multiply
796,237.75x = 1,098,808.10 × 438,541.75 - Step 4: Simplify right side
796,237.75x = 481,873,227,088.18 - Step 5: Solve for x
x = 481,873,227,088.18/796,237.75 - Step 6: Final answer
x = 605,187.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.