Finding the Fourth Proportional to 605,703.99, 835,871.55 and 351,202.80
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Solution
The fourth proportional to 605,703.99, 835,871.55 and 351,202.80 is: 484,659.89
Step by Step Solution
- Step 1: Write the proportion equation
605,703.99 : 835,871.55 = 351,202.80 : x - Step 2: Convert to fraction form
605,703.99/835,871.55 = 351,202.80/x - Step 3: Cross multiply
605,703.99x = 835,871.55 × 351,202.80 - Step 4: Simplify right side
605,703.99x = 293,560,428,800.34 - Step 5: Solve for x
x = 293,560,428,800.34/605,703.99 - Step 6: Final answer
x = 484,659.89
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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.