Finding the Fourth Proportional to 470,739.20, 706,108.80 and 470,739.20
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Solution
The fourth proportional to 470,739.20, 706,108.80 and 470,739.20 is: 706,108.80
Step by Step Solution
- Step 1: Write the proportion equation
470,739.20 : 706,108.80 = 470,739.20 : x - Step 2: Convert to fraction form
470,739.20/706,108.80 = 470,739.20/x - Step 3: Cross multiply
470,739.20x = 706,108.80 × 470,739.20 - Step 4: Simplify right side
470,739.20x = 332,393,091,624.96 - Step 5: Solve for x
x = 332,393,091,624.96/470,739.20 - Step 6: Final answer
x = 706,108.80
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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.