Finding the Fourth Proportional to 926,471.23, 1,389,946.41 and 542,544.31
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Solution
The fourth proportional to 926,471.23, 1,389,946.41 and 542,544.31 is: 813,956.75
Step by Step Solution
- Step 1: Write the proportion equation
926,471.23 : 1,389,946.41 = 542,544.31 : x - Step 2: Convert to fraction form
926,471.23/1,389,946.41 = 542,544.31/x - Step 3: Cross multiply
926,471.23x = 1,389,946.41 × 542,544.31 - Step 4: Simplify right side
926,471.23x = 754,107,515,950.43 - Step 5: Solve for x
x = 754,107,515,950.43/926,471.23 - Step 6: Final answer
x = 813,956.75
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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.