Finding the Fourth Proportional to 814,220.20, 1,221,330.30 and 601,643.80
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Solution
The fourth proportional to 814,220.20, 1,221,330.30 and 601,643.80 is: 902,465.70
Step by Step Solution
- Step 1: Write the proportion equation
814,220.20 : 1,221,330.30 = 601,643.80 : x - Step 2: Convert to fraction form
814,220.20/1,221,330.30 = 601,643.80/x - Step 3: Cross multiply
814,220.20x = 1,221,330.30 × 601,643.80 - Step 4: Simplify right side
814,220.20x = 734,805,802,747.14 - Step 5: Solve for x
x = 734,805,802,747.14/814,220.20 - Step 6: Final answer
x = 902,465.70
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1.5x scale
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.