Finding the Fourth Proportional to 756,122.23, 1,043,448.21 and 416,590.48
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Solution
The fourth proportional to 756,122.23, 1,043,448.21 and 416,590.48 is: 574,894.60
Step by Step Solution
- Step 1: Write the proportion equation
756,122.23 : 1,043,448.21 = 416,590.48 : x - Step 2: Convert to fraction form
756,122.23/1,043,448.21 = 416,590.48/x - Step 3: Cross multiply
756,122.23x = 1,043,448.21 × 416,590.48 - Step 4: Simplify right side
756,122.23x = 434,690,590,659.04 - Step 5: Solve for x
x = 434,690,590,659.04/756,122.23 - Step 6: Final answer
x = 574,894.60
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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.