Finding the Fourth Proportional to 867,929.43, 1,197,845.06 and 485,882.49
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Solution
The fourth proportional to 867,929.43, 1,197,845.06 and 485,882.49 is: 670,575.18
Step by Step Solution
- Step 1: Write the proportion equation
867,929.43 : 1,197,845.06 = 485,882.49 : x - Step 2: Convert to fraction form
867,929.43/1,197,845.06 = 485,882.49/x - Step 3: Cross multiply
867,929.43x = 1,197,845.06 × 485,882.49 - Step 4: Simplify right side
867,929.43x = 582,011,937,957.59 - Step 5: Solve for x
x = 582,011,937,957.59/867,929.43 - Step 6: Final answer
x = 670,575.18
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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.