Finding the Fourth Proportional to 618,430.08, 927,660.24 and 350,274.72
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Solution
The fourth proportional to 618,430.08, 927,660.24 and 350,274.72 is: 525,420.64
Step by Step Solution
- Step 1: Write the proportion equation
618,430.08 : 927,660.24 = 350,274.72 : x - Step 2: Convert to fraction form
618,430.08/927,660.24 = 350,274.72/x - Step 3: Cross multiply
618,430.08x = 927,660.24 × 350,274.72 - Step 4: Simplify right side
618,430.08x = 324,935,930,821.13 - Step 5: Solve for x
x = 324,935,930,821.13/618,430.08 - Step 6: Final answer
x = 525,420.64
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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.