Finding the Fourth Proportional to 922,794.24, 1,273,215.44 and 540,615.68
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Solution
The fourth proportional to 922,794.24, 1,273,215.44 and 540,615.68 is: 745,908.68
Step by Step Solution
- Step 1: Write the proportion equation
922,794.24 : 1,273,215.44 = 540,615.68 : x - Step 2: Convert to fraction form
922,794.24/1,273,215.44 = 540,615.68/x - Step 3: Cross multiply
922,794.24x = 1,273,215.44 × 540,615.68 - Step 4: Simplify right side
922,794.24x = 688,320,230,882.10 - Step 5: Solve for x
x = 688,320,230,882.10/922,794.24 - Step 6: Final answer
x = 745,908.68
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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.