Finding the Fourth Proportional to 881,867.25, 1,217,197.17 and 542,138.67
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Solution
The fourth proportional to 881,867.25, 1,217,197.17 and 542,138.67 is: 748,286.84
Step by Step Solution
- Step 1: Write the proportion equation
881,867.25 : 1,217,197.17 = 542,138.67 : x - Step 2: Convert to fraction form
881,867.25/1,217,197.17 = 542,138.67/x - Step 3: Cross multiply
881,867.25x = 1,217,197.17 × 542,138.67 - Step 4: Simplify right side
881,867.25x = 659,889,654,871.56 - Step 5: Solve for x
x = 659,889,654,871.56/881,867.25 - Step 6: Final answer
x = 748,286.84
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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.