Finding the Fourth Proportional to 655,229.34, 982,515.12 and 381,764.07
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Solution
The fourth proportional to 655,229.34, 982,515.12 and 381,764.07 is: 572,454.48
Step by Step Solution
- Step 1: Write the proportion equation
655,229.34 : 982,515.12 = 381,764.07 : x - Step 2: Convert to fraction form
655,229.34/982,515.12 = 381,764.07/x - Step 3: Cross multiply
655,229.34x = 982,515.12 × 381,764.07 - Step 4: Simplify right side
655,229.34x = 375,088,971,047.74 - Step 5: Solve for x
x = 375,088,971,047.74/655,229.34 - Step 6: Final answer
x = 572,454.48
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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.