Finding the Fourth Proportional to 854,502.17, 1,281,841.10 and 322,471.13
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Solution
The fourth proportional to 854,502.17, 1,281,841.10 and 322,471.13 is: 483,739.85
Step by Step Solution
- Step 1: Write the proportion equation
854,502.17 : 1,281,841.10 = 322,471.13 : x - Step 2: Convert to fraction form
854,502.17/1,281,841.10 = 322,471.13/x - Step 3: Cross multiply
854,502.17x = 1,281,841.10 × 322,471.13 - Step 4: Simplify right side
854,502.17x = 413,356,747,997.44 - Step 5: Solve for x
x = 413,356,747,997.44/854,502.17 - Step 6: Final answer
x = 483,739.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.