Finding the Fourth Proportional to 549,728.07, 823,469.55 and 282,928.08
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Solution
The fourth proportional to 549,728.07, 823,469.55 and 282,928.08 is: 423,814.37
Step by Step Solution
- Step 1: Write the proportion equation
549,728.07 : 823,469.55 = 282,928.08 : x - Step 2: Convert to fraction form
549,728.07/823,469.55 = 282,928.08/x - Step 3: Cross multiply
549,728.07x = 823,469.55 × 282,928.08 - Step 4: Simplify right side
549,728.07x = 232,982,656,114.98 - Step 5: Solve for x
x = 232,982,656,114.98/549,728.07 - Step 6: Final answer
x = 423,814.37
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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.