Finding the Fourth Proportional to 834,483.49, 1,251,750.76 and 287,370.03
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Solution
The fourth proportional to 834,483.49, 1,251,750.76 and 287,370.03 is: 431,063.84
Step by Step Solution
- Step 1: Write the proportion equation
834,483.49 : 1,251,750.76 = 287,370.03 : x - Step 2: Convert to fraction form
834,483.49/1,251,750.76 = 287,370.03/x - Step 3: Cross multiply
834,483.49x = 1,251,750.76 × 287,370.03 - Step 4: Simplify right side
834,483.49x = 359,715,654,717.04 - Step 5: Solve for x
x = 359,715,654,717.04/834,483.49 - Step 6: Final answer
x = 431,063.84
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1.5x scale
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.