Finding the Fourth Proportional to 716,453.70, 988,775.88 and 534,850.28
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Solution
The fourth proportional to 716,453.70, 988,775.88 and 534,850.28 is: 738,145.47
Step by Step Solution
- Step 1: Write the proportion equation
716,453.70 : 988,775.88 = 534,850.28 : x - Step 2: Convert to fraction form
716,453.70/988,775.88 = 534,850.28/x - Step 3: Cross multiply
716,453.70x = 988,775.88 × 534,850.28 - Step 4: Simplify right side
716,453.70x = 528,847,056,275.25 - Step 5: Solve for x
x = 528,847,056,275.25/716,453.70 - Step 6: Final answer
x = 738,145.47
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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.