Finding the Fourth Proportional to 747,692.92, 1,031,833.92 and 408,163.60
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Solution
The fourth proportional to 747,692.92, 1,031,833.92 and 408,163.60 is: 563,275.43
Step by Step Solution
- Step 1: Write the proportion equation
747,692.92 : 1,031,833.92 = 408,163.60 : x - Step 2: Convert to fraction form
747,692.92/1,031,833.92 = 408,163.60/x - Step 3: Cross multiply
747,692.92x = 1,031,833.92 × 408,163.60 - Step 4: Simplify right side
747,692.92x = 421,157,047,389.31 - Step 5: Solve for x
x = 421,157,047,389.31/747,692.92 - Step 6: Final answer
x = 563,275.43
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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.