Finding the Fourth Proportional to 811,714.96, 1,120,343.20 and 472,227.76
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Solution
The fourth proportional to 811,714.96, 1,120,343.20 and 472,227.76 is: 651,777.02
Step by Step Solution
- Step 1: Write the proportion equation
811,714.96 : 1,120,343.20 = 472,227.76 : x - Step 2: Convert to fraction form
811,714.96/1,120,343.20 = 472,227.76/x - Step 3: Cross multiply
811,714.96x = 1,120,343.20 × 472,227.76 - Step 4: Simplify right side
811,714.96x = 529,057,159,767.23 - Step 5: Solve for x
x = 529,057,159,767.23/811,714.96 - Step 6: Final answer
x = 651,777.02
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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.