Finding the Fourth Proportional to 791,972.42, 1,188,077.17 and 286,651.62
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Solution
The fourth proportional to 791,972.42, 1,188,077.17 and 286,651.62 is: 430,020.34
Step by Step Solution
- Step 1: Write the proportion equation
791,972.42 : 1,188,077.17 = 286,651.62 : x - Step 2: Convert to fraction form
791,972.42/1,188,077.17 = 286,651.62/x - Step 3: Cross multiply
791,972.42x = 1,188,077.17 × 286,651.62 - Step 4: Simplify right side
791,972.42x = 340,564,245,465.52 - Step 5: Solve for x
x = 340,564,245,465.52/791,972.42 - Step 6: Final answer
x = 430,020.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.