Finding the Fourth Proportional to 640,805.99, 961,274.79 and 241,782.57
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Solution
The fourth proportional to 640,805.99, 961,274.79 and 241,782.57 is: 362,698.69
Step by Step Solution
- Step 1: Write the proportion equation
640,805.99 : 961,274.79 = 241,782.57 : x - Step 2: Convert to fraction form
640,805.99/961,274.79 = 241,782.57/x - Step 3: Cross multiply
640,805.99x = 961,274.79 × 241,782.57 - Step 4: Simplify right side
640,805.99x = 232,419,489,202.41 - Step 5: Solve for x
x = 232,419,489,202.41/640,805.99 - Step 6: Final answer
x = 362,698.69
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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.