Finding the Fourth Proportional to 1,028,138.56, 1,542,576.80 and 459,472.04
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Solution
The fourth proportional to 1,028,138.56, 1,542,576.80 and 459,472.04 is: 689,372.95
Step by Step Solution
- Step 1: Write the proportion equation
1,028,138.56 : 1,542,576.80 = 459,472.04 : x - Step 2: Convert to fraction form
1,028,138.56/1,542,576.80 = 459,472.04/x - Step 3: Cross multiply
1,028,138.56x = 1,542,576.80 × 459,472.04 - Step 4: Simplify right side
1,028,138.56x = 708,770,909,152.67 - Step 5: Solve for x
x = 708,770,909,152.67/1,028,138.56 - Step 6: Final answer
x = 689,372.95
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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.