Finding the Fourth Proportional to 669,658.09, 924,135.13 and 363,740.44
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Solution
The fourth proportional to 669,658.09, 924,135.13 and 363,740.44 is: 501,965.59
Step by Step Solution
- Step 1: Write the proportion equation
669,658.09 : 924,135.13 = 363,740.44 : x - Step 2: Convert to fraction form
669,658.09/924,135.13 = 363,740.44/x - Step 3: Cross multiply
669,658.09x = 924,135.13 × 363,740.44 - Step 4: Simplify right side
669,658.09x = 336,145,315,039.81 - Step 5: Solve for x
x = 336,145,315,039.81/669,658.09 - Step 6: Final answer
x = 501,965.59
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1.5x scale
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.