Finding the Fourth Proportional to 894,036.70, 1,233,763.99 and 486,138.79
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Solution
The fourth proportional to 894,036.70, 1,233,763.99 and 486,138.79 is: 670,867.91
Step by Step Solution
- Step 1: Write the proportion equation
894,036.70 : 1,233,763.99 = 486,138.79 : x - Step 2: Convert to fraction form
894,036.70/1,233,763.99 = 486,138.79/x - Step 3: Cross multiply
894,036.70x = 1,233,763.99 × 486,138.79 - Step 4: Simplify right side
894,036.70x = 599,780,533,244.17 - Step 5: Solve for x
x = 599,780,533,244.17/894,036.70 - Step 6: Final answer
x = 670,867.91
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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.