Finding the Fourth Proportional to 1,646,316.63, 2,469,742.25 and 508,813.38
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Solution
The fourth proportional to 1,646,316.63, 2,469,742.25 and 508,813.38 is: 763,302.68
Step by Step Solution
- Step 1: Write the proportion equation
1,646,316.63 : 2,469,742.25 = 508,813.38 : x - Step 2: Convert to fraction form
1,646,316.63/2,469,742.25 = 508,813.38/x - Step 3: Cross multiply
1,646,316.63x = 2,469,742.25 × 508,813.38 - Step 4: Simplify right side
1,646,316.63x = 1,256,637,899,407.24 - Step 5: Solve for x
x = 1,256,637,899,407.24/1,646,316.63 - Step 6: Final answer
x = 763,302.68
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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.