Finding the Fourth Proportional to 848,116.20, 1,272,174.30 and 753,637.80
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Solution
The fourth proportional to 848,116.20, 1,272,174.30 and 753,637.80 is: 1,130,456.70
Step by Step Solution
- Step 1: Write the proportion equation
848,116.20 : 1,272,174.30 = 753,637.80 : x - Step 2: Convert to fraction form
848,116.20/1,272,174.30 = 753,637.80/x - Step 3: Cross multiply
848,116.20x = 1,272,174.30 × 753,637.80 - Step 4: Simplify right side
848,116.20x = 958,758,640,668.54 - Step 5: Solve for x
x = 958,758,640,668.54/848,116.20 - Step 6: Final answer
x = 1,130,456.70
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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.