Finding the Fourth Proportional to 747,292.54, 1,031,286.50 and 425,049.07
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Solution
The fourth proportional to 747,292.54, 1,031,286.50 and 425,049.07 is: 586,580.68
Step by Step Solution
- Step 1: Write the proportion equation
747,292.54 : 1,031,286.50 = 425,049.07 : x - Step 2: Convert to fraction form
747,292.54/1,031,286.50 = 425,049.07/x - Step 3: Cross multiply
747,292.54x = 1,031,286.50 × 425,049.07 - Step 4: Simplify right side
747,292.54x = 438,347,367,728.56 - Step 5: Solve for x
x = 438,347,367,728.56/747,292.54 - Step 6: Final answer
x = 586,580.68
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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.