Finding the Fourth Proportional to 632,452.99, 872,786.27 and 345,973.07
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Solution
The fourth proportional to 632,452.99, 872,786.27 and 345,973.07 is: 477,443.46
Step by Step Solution
- Step 1: Write the proportion equation
632,452.99 : 872,786.27 = 345,973.07 : x - Step 2: Convert to fraction form
632,452.99/872,786.27 = 345,973.07/x - Step 3: Cross multiply
632,452.99x = 872,786.27 × 345,973.07 - Step 4: Simplify right side
632,452.99x = 301,960,545,285.75 - Step 5: Solve for x
x = 301,960,545,285.75/632,452.99 - Step 6: Final answer
x = 477,443.46
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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.