Finding the Fourth Proportional to 864,569.28, 1,193,358.99 and 502,156.05
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Solution
The fourth proportional to 864,569.28, 1,193,358.99 and 502,156.05 is: 693,122.52
Step by Step Solution
- Step 1: Write the proportion equation
864,569.28 : 1,193,358.99 = 502,156.05 : x - Step 2: Convert to fraction form
864,569.28/1,193,358.99 = 502,156.05/x - Step 3: Cross multiply
864,569.28x = 1,193,358.99 × 502,156.05 - Step 4: Simplify right side
864,569.28x = 599,252,436,650.39 - Step 5: Solve for x
x = 599,252,436,650.39/864,569.28 - Step 6: Final answer
x = 693,122.52
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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.