Finding the Fourth Proportional to 755,635.48, 1,133,896.09 and 542,173.35
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Solution
The fourth proportional to 755,635.48, 1,133,896.09 and 542,173.35 is: 813,577.78
Step by Step Solution
- Step 1: Write the proportion equation
755,635.48 : 1,133,896.09 = 542,173.35 : x - Step 2: Convert to fraction form
755,635.48/1,133,896.09 = 542,173.35/x - Step 3: Cross multiply
755,635.48x = 1,133,896.09 × 542,173.35 - Step 4: Simplify right side
755,635.48x = 614,768,240,727.15 - Step 5: Solve for x
x = 614,768,240,727.15/755,635.48 - Step 6: Final answer
x = 813,577.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.