Finding the Fourth Proportional to 811,498.92, 1,119,901.49 and 448,916.53
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Solution
The fourth proportional to 811,498.92, 1,119,901.49 and 448,916.53 is: 619,523.05
Step by Step Solution
- Step 1: Write the proportion equation
811,498.92 : 1,119,901.49 = 448,916.53 : x - Step 2: Convert to fraction form
811,498.92/1,119,901.49 = 448,916.53/x - Step 3: Cross multiply
811,498.92x = 1,119,901.49 × 448,916.53 - Step 4: Simplify right side
811,498.92x = 502,742,288,308.97 - Step 5: Solve for x
x = 502,742,288,308.97/811,498.92 - Step 6: Final answer
x = 619,523.05
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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.