Finding the Fourth Proportional to 755,638.37, 1,133,900.41 and 542,176.23
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Solution
The fourth proportional to 755,638.37, 1,133,900.41 and 542,176.23 is: 813,582.10
Step by Step Solution
- Step 1: Write the proportion equation
755,638.37 : 1,133,900.41 = 542,176.23 : x - Step 2: Convert to fraction form
755,638.37/1,133,900.41 = 542,176.23/x - Step 3: Cross multiply
755,638.37x = 1,133,900.41 × 542,176.23 - Step 4: Simplify right side
755,638.37x = 614,773,849,489.25 - Step 5: Solve for x
x = 614,773,849,489.25/755,638.37 - Step 6: Final answer
x = 813,582.10
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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.