Finding the Fourth Proportional to 783,902.11, 1,175,970.02 and 278,420.62
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Solution
The fourth proportional to 783,902.11, 1,175,970.02 and 278,420.62 is: 417,672.43
Step by Step Solution
- Step 1: Write the proportion equation
783,902.11 : 1,175,970.02 = 278,420.62 : x - Step 2: Convert to fraction form
783,902.11/1,175,970.02 = 278,420.62/x - Step 3: Cross multiply
783,902.11x = 1,175,970.02 × 278,420.62 - Step 4: Simplify right side
783,902.11x = 327,414,302,069.81 - Step 5: Solve for x
x = 327,414,302,069.81/783,902.11 - Step 6: Final answer
x = 417,672.43
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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.