Finding the Fourth Proportional to 965,742.75, 1,448,264.21 and 432,989.55
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Solution
The fourth proportional to 965,742.75, 1,448,264.21 and 432,989.55 is: 649,327.44
Step by Step Solution
- Step 1: Write the proportion equation
965,742.75 : 1,448,264.21 = 432,989.55 : x - Step 2: Convert to fraction form
965,742.75/1,448,264.21 = 432,989.55/x - Step 3: Cross multiply
965,742.75x = 1,448,264.21 × 432,989.55 - Step 4: Simplify right side
965,742.75x = 627,083,266,404.06 - Step 5: Solve for x
x = 627,083,266,404.06/965,742.75 - Step 6: Final answer
x = 649,327.44
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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.