Finding the Fourth Proportional to 1,098,482.20, 1,646,560.74 and 499,863.75
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Solution
The fourth proportional to 1,098,482.20, 1,646,560.74 and 499,863.75 is: 749,266.60
Step by Step Solution
- Step 1: Write the proportion equation
1,098,482.20 : 1,646,560.74 = 499,863.75 : x - Step 2: Convert to fraction form
1,098,482.20/1,646,560.74 = 499,863.75/x - Step 3: Cross multiply
1,098,482.20x = 1,646,560.74 × 499,863.75 - Step 4: Simplify right side
1,098,482.20x = 823,056,021,799.06 - Step 5: Solve for x
x = 823,056,021,799.06/1,098,482.20 - Step 6: Final answer
x = 749,266.60
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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.