Finding the Fourth Proportional to 542,247.36, 748,122.12 and 327,305.76
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Solution
The fourth proportional to 542,247.36, 748,122.12 and 327,305.76 is: 451,573.76
Step by Step Solution
- Step 1: Write the proportion equation
542,247.36 : 748,122.12 = 327,305.76 : x - Step 2: Convert to fraction form
542,247.36/748,122.12 = 327,305.76/x - Step 3: Cross multiply
542,247.36x = 748,122.12 × 327,305.76 - Step 4: Simplify right side
542,247.36x = 244,864,679,059.41 - Step 5: Solve for x
x = 244,864,679,059.41/542,247.36 - Step 6: Final answer
x = 451,573.76
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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.