Finding the Fourth Proportional to 653,009.99, 901,104.36 and 366,474.72
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Solution
The fourth proportional to 653,009.99, 901,104.36 and 366,474.72 is: 505,707.38
Step by Step Solution
- Step 1: Write the proportion equation
653,009.99 : 901,104.36 = 366,474.72 : x - Step 2: Convert to fraction form
653,009.99/901,104.36 = 366,474.72/x - Step 3: Cross multiply
653,009.99x = 901,104.36 × 366,474.72 - Step 4: Simplify right side
653,009.99x = 330,231,968,021.78 - Step 5: Solve for x
x = 330,231,968,021.78/653,009.99 - Step 6: Final answer
x = 505,707.38
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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.