Finding the Fourth Proportional to 999,568.14, 1,498,445 and 519,234.49
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Solution
The fourth proportional to 999,568.14, 1,498,445 and 519,234.49 is: 778,380.48
Step by Step Solution
- Step 1: Write the proportion equation
999,568.14 : 1,498,445 = 519,234.49 : x - Step 2: Convert to fraction form
999,568.14/1,498,445 = 519,234.49/x - Step 3: Cross multiply
999,568.14x = 1,498,445 × 519,234.49 - Step 4: Simplify right side
999,568.14x = 778,044,325,368.05 - Step 5: Solve for x
x = 778,044,325,368.05/999,568.14 - Step 6: Final answer
x = 778,380.48
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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.