Finding the Fourth Proportional to 500,533.24, 690,796.55 and 282,751.09
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Solution
The fourth proportional to 500,533.24, 690,796.55 and 282,751.09 is: 390,230.78
Step by Step Solution
- Step 1: Write the proportion equation
500,533.24 : 690,796.55 = 282,751.09 : x - Step 2: Convert to fraction form
500,533.24/690,796.55 = 282,751.09/x - Step 3: Cross multiply
500,533.24x = 690,796.55 × 282,751.09 - Step 4: Simplify right side
500,533.24x = 195,323,477,480.74 - Step 5: Solve for x
x = 195,323,477,480.74/500,533.24 - Step 6: Final answer
x = 390,230.78
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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.