Finding the Fourth Proportional to 560,202.97, 773,145.45 and 318,521.75
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Solution
The fourth proportional to 560,202.97, 773,145.45 and 318,521.75 is: 439,597.17
Step by Step Solution
- Step 1: Write the proportion equation
560,202.97 : 773,145.45 = 318,521.75 : x - Step 2: Convert to fraction form
560,202.97/773,145.45 = 318,521.75/x - Step 3: Cross multiply
560,202.97x = 773,145.45 × 318,521.75 - Step 4: Simplify right side
560,202.97x = 246,263,641,738.54 - Step 5: Solve for x
x = 246,263,641,738.54/560,202.97 - Step 6: Final answer
x = 439,597.17
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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.