Finding the Fourth Proportional to 992,537.91, 1,488,004.92 and 385,012.53
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Solution
The fourth proportional to 992,537.91, 1,488,004.92 and 385,012.53 is: 577,207.72
Step by Step Solution
- Step 1: Write the proportion equation
992,537.91 : 1,488,004.92 = 385,012.53 : x - Step 2: Convert to fraction form
992,537.91/1,488,004.92 = 385,012.53/x - Step 3: Cross multiply
992,537.91x = 1,488,004.92 × 385,012.53 - Step 4: Simplify right side
992,537.91x = 572,900,541,659.13 - Step 5: Solve for x
x = 572,900,541,659.13/992,537.91 - Step 6: Final answer
x = 577,207.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.