Finding the Fourth Proportional to 723,931.23, 1,085,251.58 and 274,967.39
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Solution
The fourth proportional to 723,931.23, 1,085,251.58 and 274,967.39 is: 412,205.99
Step by Step Solution
- Step 1: Write the proportion equation
723,931.23 : 1,085,251.58 = 274,967.39 : x - Step 2: Convert to fraction form
723,931.23/1,085,251.58 = 274,967.39/x - Step 3: Cross multiply
723,931.23x = 1,085,251.58 × 274,967.39 - Step 4: Simplify right side
723,931.23x = 298,408,787,644.88 - Step 5: Solve for x
x = 298,408,787,644.88/723,931.23 - Step 6: Final answer
x = 412,205.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.