Finding the Fourth Proportional to 542,575.04, 748,750.53 and 300,893.31
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Solution
The fourth proportional to 542,575.04, 748,750.53 and 300,893.31 is: 415,231.09
Step by Step Solution
- Step 1: Write the proportion equation
542,575.04 : 748,750.53 = 300,893.31 : x - Step 2: Convert to fraction form
542,575.04/748,750.53 = 300,893.31/x - Step 3: Cross multiply
542,575.04x = 748,750.53 × 300,893.31 - Step 4: Simplify right side
542,575.04x = 225,294,025,335.95 - Step 5: Solve for x
x = 225,294,025,335.95/542,575.04 - Step 6: Final answer
x = 415,231.09
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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.