Finding the Fourth Proportional to 957,586.55, 1,321,478.42 and 527,882.05
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Solution
The fourth proportional to 957,586.55, 1,321,478.42 and 527,882.05 is: 728,482.18
Step by Step Solution
- Step 1: Write the proportion equation
957,586.55 : 1,321,478.42 = 527,882.05 : x - Step 2: Convert to fraction form
957,586.55/1,321,478.42 = 527,882.05/x - Step 3: Cross multiply
957,586.55x = 1,321,478.42 × 527,882.05 - Step 4: Simplify right side
957,586.55x = 697,584,734,740.95 - Step 5: Solve for x
x = 697,584,734,740.95/957,586.55 - Step 6: Final answer
x = 728,482.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.