Finding the Fourth Proportional to 791,897.24, 1,188,636.70 and 437,078.36
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Solution
The fourth proportional to 791,897.24, 1,188,636.70 and 437,078.36 is: 656,054.03
Step by Step Solution
- Step 1: Write the proportion equation
791,897.24 : 1,188,636.70 = 437,078.36 : x - Step 2: Convert to fraction form
791,897.24/1,188,636.70 = 437,078.36/x - Step 3: Cross multiply
791,897.24x = 1,188,636.70 × 437,078.36 - Step 4: Simplify right side
791,897.24x = 519,527,379,471.81 - Step 5: Solve for x
x = 519,527,379,471.81/791,897.24 - Step 6: Final answer
x = 656,054.03
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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.