Finding the Fourth Proportional to 886,474.11, 1,329,825.99 and 406,586.17
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Solution
The fourth proportional to 886,474.11, 1,329,825.99 and 406,586.17 is: 609,931.92
Step by Step Solution
- Step 1: Write the proportion equation
886,474.11 : 1,329,825.99 = 406,586.17 : x - Step 2: Convert to fraction form
886,474.11/1,329,825.99 = 406,586.17/x - Step 3: Cross multiply
886,474.11x = 1,329,825.99 × 406,586.17 - Step 4: Simplify right side
886,474.11x = 540,688,856,040.56 - Step 5: Solve for x
x = 540,688,856,040.56/886,474.11 - Step 6: Final answer
x = 609,931.92
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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.