Finding the Fourth Proportional to 453,604.94, 679,629.81 and 320,246.54
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Solution
The fourth proportional to 453,604.94, 679,629.81 and 320,246.54 is: 479,820.82
Step by Step Solution
- Step 1: Write the proportion equation
453,604.94 : 679,629.81 = 320,246.54 : x - Step 2: Convert to fraction form
453,604.94/679,629.81 = 320,246.54/x - Step 3: Cross multiply
453,604.94x = 679,629.81 × 320,246.54 - Step 4: Simplify right side
453,604.94x = 217,649,095,133.36 - Step 5: Solve for x
x = 217,649,095,133.36/453,604.94 - Step 6: Final answer
x = 479,820.82
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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.