Finding the Fourth Proportional to 757,228.28, 1,134,173.63 and 625,905.99
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Solution
The fourth proportional to 757,228.28, 1,134,173.63 and 625,905.99 is: 937,479.61
Step by Step Solution
- Step 1: Write the proportion equation
757,228.28 : 1,134,173.63 = 625,905.99 : x - Step 2: Convert to fraction form
757,228.28/1,134,173.63 = 625,905.99/x - Step 3: Cross multiply
757,228.28x = 1,134,173.63 × 625,905.99 - Step 4: Simplify right side
757,228.28x = 709,886,065,587.51 - Step 5: Solve for x
x = 709,886,065,587.51/757,228.28 - Step 6: Final answer
x = 937,479.61
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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.