Finding the Fourth Proportional to 789,740.54, 1,184,609.88 and 257,260.70
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Solution
The fourth proportional to 789,740.54, 1,184,609.88 and 257,260.70 is: 385,890.75
Step by Step Solution
- Step 1: Write the proportion equation
789,740.54 : 1,184,609.88 = 257,260.70 : x - Step 2: Convert to fraction form
789,740.54/1,184,609.88 = 257,260.70/x - Step 3: Cross multiply
789,740.54x = 1,184,609.88 × 257,260.70 - Step 4: Simplify right side
789,740.54x = 304,753,566,955.72 - Step 5: Solve for x
x = 304,753,566,955.72/789,740.54 - Step 6: Final answer
x = 385,890.75
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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.