Finding the Fourth Proportional to 593,207.18, 818,628.36 and 321,278.30
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Solution
The fourth proportional to 593,207.18, 818,628.36 and 321,278.30 is: 443,365.38
Step by Step Solution
- Step 1: Write the proportion equation
593,207.18 : 818,628.36 = 321,278.30 : x - Step 2: Convert to fraction form
593,207.18/818,628.36 = 321,278.30/x - Step 3: Cross multiply
593,207.18x = 818,628.36 × 321,278.30 - Step 4: Simplify right side
593,207.18x = 263,007,527,832.59 - Step 5: Solve for x
x = 263,007,527,832.59/593,207.18 - Step 6: Final answer
x = 443,365.38
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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.