Finding the Fourth Proportional to 1,008,573.28, 1,512,970.72 and 503,261.44
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Solution
The fourth proportional to 1,008,573.28, 1,512,970.72 and 503,261.44 is: 754,947.45
Step by Step Solution
- Step 1: Write the proportion equation
1,008,573.28 : 1,512,970.72 = 503,261.44 : x - Step 2: Convert to fraction form
1,008,573.28/1,512,970.72 = 503,261.44/x - Step 3: Cross multiply
1,008,573.28x = 1,512,970.72 × 503,261.44 - Step 4: Simplify right side
1,008,573.28x = 761,419,823,225.04 - Step 5: Solve for x
x = 761,419,823,225.04/1,008,573.28 - Step 6: Final answer
x = 754,947.45
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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.