Finding the Fourth Proportional to 930,779.99, 1,395,370.36 and 323,489.41
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Solution
The fourth proportional to 930,779.99, 1,395,370.36 and 323,489.41 is: 484,956.21
Step by Step Solution
- Step 1: Write the proportion equation
930,779.99 : 1,395,370.36 = 323,489.41 : x - Step 2: Convert to fraction form
930,779.99/1,395,370.36 = 323,489.41/x - Step 3: Cross multiply
930,779.99x = 1,395,370.36 × 323,489.41 - Step 4: Simplify right side
930,779.99x = 451,387,537,439.90 - Step 5: Solve for x
x = 451,387,537,439.90/930,779.99 - Step 6: Final answer
x = 484,956.21
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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.