Finding the Fourth Proportional to 571,730.55, 789,036.62 and 317,163.75
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Solution
The fourth proportional to 571,730.55, 789,036.62 and 317,163.75 is: 437,712.86
Step by Step Solution
- Step 1: Write the proportion equation
571,730.55 : 789,036.62 = 317,163.75 : x - Step 2: Convert to fraction form
571,730.55/789,036.62 = 317,163.75/x - Step 3: Cross multiply
571,730.55x = 789,036.62 × 317,163.75 - Step 4: Simplify right side
571,730.55x = 250,253,811,700.71 - Step 5: Solve for x
x = 250,253,811,700.71/571,730.55 - Step 6: Final answer
x = 437,712.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.