Finding the Fourth Proportional to 955,237.86, 1,318,217.36 and 711,313.74
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Solution
The fourth proportional to 955,237.86, 1,318,217.36 and 711,313.74 is: 981,604.85
Step by Step Solution
- Step 1: Write the proportion equation
955,237.86 : 1,318,217.36 = 711,313.74 : x - Step 2: Convert to fraction form
955,237.86/1,318,217.36 = 711,313.74/x - Step 3: Cross multiply
955,237.86x = 1,318,217.36 × 711,313.74 - Step 4: Simplify right side
955,237.86x = 937,666,116,917.96 - Step 5: Solve for x
x = 937,666,116,917.96/955,237.86 - Step 6: Final answer
x = 981,604.85
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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.