Finding the Fourth Proportional to 669,933.16, 924,549.08 and 383,447.08
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Solution
The fourth proportional to 669,933.16, 924,549.08 and 383,447.08 is: 529,180.62
Step by Step Solution
- Step 1: Write the proportion equation
669,933.16 : 924,549.08 = 383,447.08 : x - Step 2: Convert to fraction form
669,933.16/924,549.08 = 383,447.08/x - Step 3: Cross multiply
669,933.16x = 924,549.08 × 383,447.08 - Step 4: Simplify right side
669,933.16x = 354,515,645,042.69 - Step 5: Solve for x
x = 354,515,645,042.69/669,933.16 - Step 6: Final answer
x = 529,180.62
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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.