Finding the Fourth Proportional to 762,759.84, 1,052,491.68 and 456,764.56
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Solution
The fourth proportional to 762,759.84, 1,052,491.68 and 456,764.56 is: 630,265.09
Step by Step Solution
- Step 1: Write the proportion equation
762,759.84 : 1,052,491.68 = 456,764.56 : x - Step 2: Convert to fraction form
762,759.84/1,052,491.68 = 456,764.56/x - Step 3: Cross multiply
762,759.84x = 1,052,491.68 × 456,764.56 - Step 4: Simplify right side
762,759.84x = 480,740,899,118.86 - Step 5: Solve for x
x = 480,740,899,118.86/762,759.84 - Step 6: Final answer
x = 630,265.09
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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.