Finding the Fourth Proportional to 518,519.70, 777,779.55 and 483,527.70
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Solution
The fourth proportional to 518,519.70, 777,779.55 and 483,527.70 is: 725,291.55
Step by Step Solution
- Step 1: Write the proportion equation
518,519.70 : 777,779.55 = 483,527.70 : x - Step 2: Convert to fraction form
518,519.70/777,779.55 = 483,527.70/x - Step 3: Cross multiply
518,519.70x = 777,779.55 × 483,527.70 - Step 4: Simplify right side
518,519.70x = 376,077,956,918.54 - Step 5: Solve for x
x = 376,077,956,918.54/518,519.70 - Step 6: Final answer
x = 725,291.55
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Similar ratio
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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.