Finding the Fourth Proportional to 877,816.01, 1,316,989.42 and 622,143.05
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Solution
The fourth proportional to 877,816.01, 1,316,989.42 and 622,143.05 is: 933,402.67
Step by Step Solution
- Step 1: Write the proportion equation
877,816.01 : 1,316,989.42 = 622,143.05 : x - Step 2: Convert to fraction form
877,816.01/1,316,989.42 = 622,143.05/x - Step 3: Cross multiply
877,816.01x = 1,316,989.42 × 622,143.05 - Step 4: Simplify right side
877,816.01x = 819,355,806,436.23 - Step 5: Solve for x
x = 819,355,806,436.23/877,816.01 - Step 6: Final answer
x = 933,402.67
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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.