Finding the Fourth Proportional to 845,902.32, 1,167,342.84 and 483,438.66
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Solution
The fourth proportional to 845,902.32, 1,167,342.84 and 483,438.66 is: 667,144.00
Step by Step Solution
- Step 1: Write the proportion equation
845,902.32 : 1,167,342.84 = 483,438.66 : x - Step 2: Convert to fraction form
845,902.32/1,167,342.84 = 483,438.66/x - Step 3: Cross multiply
845,902.32x = 1,167,342.84 × 483,438.66 - Step 4: Simplify right side
845,902.32x = 564,338,658,330.20 - Step 5: Solve for x
x = 564,338,658,330.20/845,902.32 - Step 6: Final answer
x = 667,144.00
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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.