Finding the Fourth Proportional to 669,658.70, 924,135.78 and 363,738.02
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Solution
The fourth proportional to 669,658.70, 924,135.78 and 363,738.02 is: 501,962.15
Step by Step Solution
- Step 1: Write the proportion equation
669,658.70 : 924,135.78 = 363,738.02 : x - Step 2: Convert to fraction form
669,658.70/924,135.78 = 363,738.02/x - Step 3: Cross multiply
669,658.70x = 924,135.78 × 363,738.02 - Step 4: Simplify right side
669,658.70x = 336,143,318,828.36 - Step 5: Solve for x
x = 336,143,318,828.36/669,658.70 - Step 6: Final answer
x = 501,962.15
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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.