Finding the Fourth Proportional to 1,013,793.92, 1,399,031.88 and 548,646.84
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Solution
The fourth proportional to 1,013,793.92, 1,399,031.88 and 548,646.84 is: 757,130.62
Step by Step Solution
- Step 1: Write the proportion equation
1,013,793.92 : 1,399,031.88 = 548,646.84 : x - Step 2: Convert to fraction form
1,013,793.92/1,399,031.88 = 548,646.84/x - Step 3: Cross multiply
1,013,793.92x = 1,399,031.88 × 548,646.84 - Step 4: Simplify right side
1,013,793.92x = 767,574,420,021.26 - Step 5: Solve for x
x = 767,574,420,021.26/1,013,793.92 - Step 6: Final answer
x = 757,130.62
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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.