Finding the Fourth Proportional to 669,686.64, 924,175.20 and 363,765.84
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Solution
The fourth proportional to 669,686.64, 924,175.20 and 363,765.84 is: 502,001.01
Step by Step Solution
- Step 1: Write the proportion equation
669,686.64 : 924,175.20 = 363,765.84 : x - Step 2: Convert to fraction form
669,686.64/924,175.20 = 363,765.84/x - Step 3: Cross multiply
669,686.64x = 924,175.20 × 363,765.84 - Step 4: Simplify right side
669,686.64x = 336,183,367,935.17 - Step 5: Solve for x
x = 336,183,367,935.17/669,686.64 - Step 6: Final answer
x = 502,001.01
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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.