Finding the Fourth Proportional to 547,579.09, 819,370.36 and 323,047.09
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Solution
The fourth proportional to 547,579.09, 819,370.36 and 323,047.09 is: 483,391.74
Step by Step Solution
- Step 1: Write the proportion equation
547,579.09 : 819,370.36 = 323,047.09 : x - Step 2: Convert to fraction form
547,579.09/819,370.36 = 323,047.09/x - Step 3: Cross multiply
547,579.09x = 819,370.36 × 323,047.09 - Step 4: Simplify right side
547,579.09x = 264,695,210,430.25 - Step 5: Solve for x
x = 264,695,210,430.25/547,579.09 - Step 6: Final answer
x = 483,391.74
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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.