Finding the Fourth Proportional to 800,875.99, 1,105,198.46 and 438,293.26
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Solution
The fourth proportional to 800,875.99, 1,105,198.46 and 438,293.26 is: 604,839.00
Step by Step Solution
- Step 1: Write the proportion equation
800,875.99 : 1,105,198.46 = 438,293.26 : x - Step 2: Convert to fraction form
800,875.99/1,105,198.46 = 438,293.26/x - Step 3: Cross multiply
800,875.99x = 1,105,198.46 × 438,293.26 - Step 4: Simplify right side
800,875.99x = 484,401,030,454.39 - Step 5: Solve for x
x = 484,401,030,454.39/800,875.99 - Step 6: Final answer
x = 604,839.00
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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.