Finding the Fourth Proportional to 669,714.12, 924,215.36 and 363,796.44
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Solution
The fourth proportional to 669,714.12, 924,215.36 and 363,796.44 is: 502,044.45
Step by Step Solution
- Step 1: Write the proportion equation
669,714.12 : 924,215.36 = 363,796.44 : x - Step 2: Convert to fraction form
669,714.12/924,215.36 = 363,796.44/x - Step 3: Cross multiply
669,714.12x = 924,215.36 × 363,796.44 - Step 4: Simplify right side
669,714.12x = 336,226,257,761.32 - Step 5: Solve for x
x = 336,226,257,761.32/669,714.12 - Step 6: Final answer
x = 502,044.45
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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.