Finding the Fourth Proportional to 539,128.05, 743,970.20 and 324,226.41
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Solution
The fourth proportional to 539,128.05, 743,970.20 and 324,226.41 is: 447,416.50
Step by Step Solution
- Step 1: Write the proportion equation
539,128.05 : 743,970.20 = 324,226.41 : x - Step 2: Convert to fraction form
539,128.05/743,970.20 = 324,226.41/x - Step 3: Cross multiply
539,128.05x = 743,970.20 × 324,226.41 - Step 4: Simplify right side
539,128.05x = 241,214,785,471.85 - Step 5: Solve for x
x = 241,214,785,471.85/539,128.05 - Step 6: Final answer
x = 447,416.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.