Finding the Fourth Proportional to 486,321.29, 727,987.10 and 414,576.75
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Solution
The fourth proportional to 486,321.29, 727,987.10 and 414,576.75 is: 620,590.82
Step by Step Solution
- Step 1: Write the proportion equation
486,321.29 : 727,987.10 = 414,576.75 : x - Step 2: Convert to fraction form
486,321.29/727,987.10 = 414,576.75/x - Step 3: Cross multiply
486,321.29x = 727,987.10 × 414,576.75 - Step 4: Simplify right side
486,321.29x = 301,806,528,171.66 - Step 5: Solve for x
x = 301,806,528,171.66/486,321.29 - Step 6: Final answer
x = 620,590.82
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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.