Finding the Fourth Proportional to 955,269.68, 1,318,365.20 and 713,131.79
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Solution
The fourth proportional to 955,269.68, 1,318,365.20 and 713,131.79 is: 984,191.33
Step by Step Solution
- Step 1: Write the proportion equation
955,269.68 : 1,318,365.20 = 713,131.79 : x - Step 2: Convert to fraction form
955,269.68/1,318,365.20 = 713,131.79/x - Step 3: Cross multiply
955,269.68x = 1,318,365.20 × 713,131.79 - Step 4: Simplify right side
955,269.68x = 940,168,134,949.71 - Step 5: Solve for x
x = 940,168,134,949.71/955,269.68 - Step 6: Final answer
x = 984,191.33
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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.