Finding the Fourth Proportional to 690,924.96, 1,036,155.98 and 264,361.55
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Solution
The fourth proportional to 690,924.96, 1,036,155.98 and 264,361.55 is: 396,453.76
Step by Step Solution
- Step 1: Write the proportion equation
690,924.96 : 1,036,155.98 = 264,361.55 : x - Step 2: Convert to fraction form
690,924.96/1,036,155.98 = 264,361.55/x - Step 3: Cross multiply
690,924.96x = 1,036,155.98 × 264,361.55 - Step 4: Simplify right side
690,924.96x = 273,919,796,394.69 - Step 5: Solve for x
x = 273,919,796,394.69/690,924.96 - Step 6: Final answer
x = 396,453.76
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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.