Finding the Fourth Proportional to 499,239.80, 748,859.70 and 499,239.80
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Solution
The fourth proportional to 499,239.80, 748,859.70 and 499,239.80 is: 748,859.70
Step by Step Solution
- Step 1: Write the proportion equation
499,239.80 : 748,859.70 = 499,239.80 : x - Step 2: Convert to fraction form
499,239.80/748,859.70 = 499,239.80/x - Step 3: Cross multiply
499,239.80x = 748,859.70 × 499,239.80 - Step 4: Simplify right side
499,239.80x = 373,860,566,856.06 - Step 5: Solve for x
x = 373,860,566,856.06/499,239.80 - Step 6: Final answer
x = 748,859.70
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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.