Finding the Fourth Proportional to 655,848.26, 905,135.16 and 383,899.67
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Solution
The fourth proportional to 655,848.26, 905,135.16 and 383,899.67 is: 529,819.34
Step by Step Solution
- Step 1: Write the proportion equation
655,848.26 : 905,135.16 = 383,899.67 : x - Step 2: Convert to fraction form
655,848.26/905,135.16 = 383,899.67/x - Step 3: Cross multiply
655,848.26x = 905,135.16 × 383,899.67 - Step 4: Simplify right side
655,848.26x = 347,481,089,229.40 - Step 5: Solve for x
x = 347,481,089,229.40/655,848.26 - Step 6: Final answer
x = 529,819.34
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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.