Finding the Fourth Proportional to 892,126.92, 1,337,908.44 and 292,989.36
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Solution
The fourth proportional to 892,126.92, 1,337,908.44 and 292,989.36 is: 439,391.45
Step by Step Solution
- Step 1: Write the proportion equation
892,126.92 : 1,337,908.44 = 292,989.36 : x - Step 2: Convert to fraction form
892,126.92/1,337,908.44 = 292,989.36/x - Step 3: Cross multiply
892,126.92x = 1,337,908.44 × 292,989.36 - Step 4: Simplify right side
892,126.92x = 391,992,937,574.20 - Step 5: Solve for x
x = 391,992,937,574.20/892,126.92 - Step 6: Final answer
x = 439,391.45
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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.