Finding the Fourth Proportional to 670,091.84, 924,701.36 and 383,638.56
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Solution
The fourth proportional to 670,091.84, 924,701.36 and 383,638.56 is: 529,406.68
Step by Step Solution
- Step 1: Write the proportion equation
670,091.84 : 924,701.36 = 383,638.56 : x - Step 2: Convert to fraction form
670,091.84/924,701.36 = 383,638.56/x - Step 3: Cross multiply
670,091.84x = 924,701.36 × 383,638.56 - Step 4: Simplify right side
670,091.84x = 354,751,098,180.44 - Step 5: Solve for x
x = 354,751,098,180.44/670,091.84 - Step 6: Final answer
x = 529,406.68
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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.