Finding the Fourth Proportional to 725,318.55, 1,087,538.00 and 276,069.87
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Solution
The fourth proportional to 725,318.55, 1,087,538.00 and 276,069.87 is: 413,937.40
Step by Step Solution
- Step 1: Write the proportion equation
725,318.55 : 1,087,538.00 = 276,069.87 : x - Step 2: Convert to fraction form
725,318.55/1,087,538.00 = 276,069.87/x - Step 3: Cross multiply
725,318.55x = 1,087,538.00 × 276,069.87 - Step 4: Simplify right side
725,318.55x = 300,236,472,899.71 - Step 5: Solve for x
x = 300,236,472,899.71/725,318.55 - Step 6: Final answer
x = 413,937.40
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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.