Finding the Fourth Proportional to 992,529.17, 1,488,652.87 and 318,523.11
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Solution
The fourth proportional to 992,529.17, 1,488,652.87 and 318,523.11 is: 477,739.45
Step by Step Solution
- Step 1: Write the proportion equation
992,529.17 : 1,488,652.87 = 318,523.11 : x - Step 2: Convert to fraction form
992,529.17/1,488,652.87 = 318,523.11/x - Step 3: Cross multiply
992,529.17x = 1,488,652.87 × 318,523.11 - Step 4: Simplify right side
992,529.17x = 474,170,341,862.83 - Step 5: Solve for x
x = 474,170,341,862.83/992,529.17 - Step 6: Final answer
x = 477,739.45
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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.