Finding the Fourth Proportional to 552,457.49, 762,399.21 and 326,102.99
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Solution
The fourth proportional to 552,457.49, 762,399.21 and 326,102.99 is: 450,026.77
Step by Step Solution
- Step 1: Write the proportion equation
552,457.49 : 762,399.21 = 326,102.99 : x - Step 2: Convert to fraction form
552,457.49/762,399.21 = 326,102.99/x - Step 3: Cross multiply
552,457.49x = 762,399.21 × 326,102.99 - Step 4: Simplify right side
552,457.49x = 248,620,658,142.64 - Step 5: Solve for x
x = 248,620,658,142.64/552,457.49 - Step 6: Final answer
x = 450,026.77
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1.5x scale
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.