Finding the Fourth Proportional to 804,955.35, 1,207,433.03 and 431,707.35
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Solution
The fourth proportional to 804,955.35, 1,207,433.03 and 431,707.35 is: 647,561.03
Step by Step Solution
- Step 1: Write the proportion equation
804,955.35 : 1,207,433.03 = 431,707.35 : x - Step 2: Convert to fraction form
804,955.35/1,207,433.03 = 431,707.35/x - Step 3: Cross multiply
804,955.35x = 1,207,433.03 × 431,707.35 - Step 4: Simplify right side
804,955.35x = 521,257,711,525.23 - Step 5: Solve for x
x = 521,257,711,525.23/804,955.35 - Step 6: Final answer
x = 647,561.03
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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.