Finding the Fourth Proportional to 928,674.40, 1,281,584.84 and 541,479.12
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Solution
The fourth proportional to 928,674.40, 1,281,584.84 and 541,479.12 is: 747,249.45
Step by Step Solution
- Step 1: Write the proportion equation
928,674.40 : 1,281,584.84 = 541,479.12 : x - Step 2: Convert to fraction form
928,674.40/1,281,584.84 = 541,479.12/x - Step 3: Cross multiply
928,674.40x = 1,281,584.84 × 541,479.12 - Step 4: Simplify right side
928,674.40x = 693,951,431,368.54 - Step 5: Solve for x
x = 693,951,431,368.54/928,674.40 - Step 6: Final answer
x = 747,249.45
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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.