Finding the Fourth Proportional to 708,354.92, 977,516.43 and 386,067.26
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Solution
The fourth proportional to 708,354.92, 977,516.43 and 386,067.26 is: 532,765.54
Step by Step Solution
- Step 1: Write the proportion equation
708,354.92 : 977,516.43 = 386,067.26 : x - Step 2: Convert to fraction form
708,354.92/977,516.43 = 386,067.26/x - Step 3: Cross multiply
708,354.92x = 977,516.43 × 386,067.26 - Step 4: Simplify right side
708,354.92x = 377,387,089,735.08 - Step 5: Solve for x
x = 377,387,089,735.08/708,354.92 - Step 6: Final answer
x = 532,765.54
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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.