Finding the Fourth Proportional to 669,564.42, 924,203.70 and 397,676.58
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Solution
The fourth proportional to 669,564.42, 924,203.70 and 397,676.58 is: 548,915.32
Step by Step Solution
- Step 1: Write the proportion equation
669,564.42 : 924,203.70 = 397,676.58 : x - Step 2: Convert to fraction form
669,564.42/924,203.70 = 397,676.58/x - Step 3: Cross multiply
669,564.42x = 924,203.70 × 397,676.58 - Step 4: Simplify right side
669,564.42x = 367,534,166,639.35 - Step 5: Solve for x
x = 367,534,166,639.35/669,564.42 - Step 6: Final answer
x = 548,915.32
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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.