Finding the Fourth Proportional to 666,691.74, 920,027.59 and 360,761.44
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Solution
The fourth proportional to 666,691.74, 920,027.59 and 360,761.44 is: 497,846.99
Step by Step Solution
- Step 1: Write the proportion equation
666,691.74 : 920,027.59 = 360,761.44 : x - Step 2: Convert to fraction form
666,691.74/920,027.59 = 360,761.44/x - Step 3: Cross multiply
666,691.74x = 920,027.59 × 360,761.44 - Step 4: Simplify right side
666,691.74x = 331,910,478,208.13 - Step 5: Solve for x
x = 331,910,478,208.13/666,691.74 - Step 6: Final answer
x = 497,846.99
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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.