Finding the Fourth Proportional to 574,352.96, 861,529.68 and 258,440.84
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Solution
The fourth proportional to 574,352.96, 861,529.68 and 258,440.84 is: 387,661.37
Step by Step Solution
- Step 1: Write the proportion equation
574,352.96 : 861,529.68 = 258,440.84 : x - Step 2: Convert to fraction form
574,352.96/861,529.68 = 258,440.84/x - Step 3: Cross multiply
574,352.96x = 861,529.68 × 258,440.84 - Step 4: Simplify right side
574,352.96x = 222,654,454,184.13 - Step 5: Solve for x
x = 222,654,454,184.13/574,352.96 - Step 6: Final answer
x = 387,661.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.