Finding the Fourth Proportional to 532,507.62, 734,859.87 and 314,794.75
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Solution
The fourth proportional to 532,507.62, 734,859.87 and 314,794.75 is: 434,416.37
Step by Step Solution
- Step 1: Write the proportion equation
532,507.62 : 734,859.87 = 314,794.75 : x - Step 2: Convert to fraction form
532,507.62/734,859.87 = 314,794.75/x - Step 3: Cross multiply
532,507.62x = 734,859.87 × 314,794.75 - Step 4: Simplify right side
532,507.62x = 231,330,029,061.68 - Step 5: Solve for x
x = 231,330,029,061.68/532,507.62 - Step 6: Final answer
x = 434,416.37
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1.5x scale
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.