Finding the Fourth Proportional to 899,014.65, 1,240,619.49 and 491,118.19
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Solution
The fourth proportional to 899,014.65, 1,240,619.49 and 491,118.19 is: 677,731.78
Step by Step Solution
- Step 1: Write the proportion equation
899,014.65 : 1,240,619.49 = 491,118.19 : x - Step 2: Convert to fraction form
899,014.65/1,240,619.49 = 491,118.19/x - Step 3: Cross multiply
899,014.65x = 1,240,619.49 × 491,118.19 - Step 4: Simplify right side
899,014.65x = 609,290,795,305.97 - Step 5: Solve for x
x = 609,290,795,305.97/899,014.65 - Step 6: Final answer
x = 677,731.78
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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.