Finding the Fourth Proportional to 977,512.19, 1,466,472.40 and 303,575.99
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Solution
The fourth proportional to 977,512.19, 1,466,472.40 and 303,575.99 is: 455,427.37
Step by Step Solution
- Step 1: Write the proportion equation
977,512.19 : 1,466,472.40 = 303,575.99 : x - Step 2: Convert to fraction form
977,512.19/1,466,472.40 = 303,575.99/x - Step 3: Cross multiply
977,512.19x = 1,466,472.40 × 303,575.99 - Step 4: Simplify right side
977,512.19x = 445,185,802,546.37 - Step 5: Solve for x
x = 445,185,802,546.37/977,512.19 - Step 6: Final answer
x = 455,427.37
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1.5x scale
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.