Finding the Fourth Proportional to 577,948.05, 797,610.36 and 323,381.25
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Solution
The fourth proportional to 577,948.05, 797,610.36 and 323,381.25 is: 446,289.65
Step by Step Solution
- Step 1: Write the proportion equation
577,948.05 : 797,610.36 = 323,381.25 : x - Step 2: Convert to fraction form
577,948.05/797,610.36 = 323,381.25/x - Step 3: Cross multiply
577,948.05x = 797,610.36 × 323,381.25 - Step 4: Simplify right side
577,948.05x = 257,932,235,229.75 - Step 5: Solve for x
x = 257,932,235,229.75/577,948.05 - Step 6: Final answer
x = 446,289.65
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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.