Finding the Fourth Proportional to 552,513.74, 762,457.70 and 323,206.79
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Solution
The fourth proportional to 552,513.74, 762,457.70 and 323,206.79 is: 446,018.78
Step by Step Solution
- Step 1: Write the proportion equation
552,513.74 : 762,457.70 = 323,206.79 : x - Step 2: Convert to fraction form
552,513.74/762,457.70 = 323,206.79/x - Step 3: Cross multiply
552,513.74x = 762,457.70 × 323,206.79 - Step 4: Simplify right side
552,513.74x = 246,431,500,299.46 - Step 5: Solve for x
x = 246,431,500,299.46/552,513.74 - Step 6: Final answer
x = 446,018.78
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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.