Finding the Fourth Proportional to 900,517.41, 1,350,105.44 and 545,445.81
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Solution
The fourth proportional to 900,517.41, 1,350,105.44 and 545,445.81 is: 817,762.48
Step by Step Solution
- Step 1: Write the proportion equation
900,517.41 : 1,350,105.44 = 545,445.81 : x - Step 2: Convert to fraction form
900,517.41/1,350,105.44 = 545,445.81/x - Step 3: Cross multiply
900,517.41x = 1,350,105.44 × 545,445.81 - Step 4: Simplify right side
900,517.41x = 736,409,352,578.98 - Step 5: Solve for x
x = 736,409,352,578.98/900,517.41 - Step 6: Final answer
x = 817,762.48
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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.