Finding the Fourth Proportional to 669,908.24, 924,473.16 and 368,121.68
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Solution
The fourth proportional to 669,908.24, 924,473.16 and 368,121.68 is: 508,007.80
Step by Step Solution
- Step 1: Write the proportion equation
669,908.24 : 924,473.16 = 368,121.68 : x - Step 2: Convert to fraction form
669,908.24/924,473.16 = 368,121.68/x - Step 3: Cross multiply
669,908.24x = 924,473.16 × 368,121.68 - Step 4: Simplify right side
669,908.24x = 340,318,612,774.11 - Step 5: Solve for x
x = 340,318,612,774.11/669,908.24 - Step 6: Final answer
x = 508,007.80
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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.