Finding the Fourth Proportional to 762,764.84, 1,052,498.58 and 456,769.56
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Solution
The fourth proportional to 762,764.84, 1,052,498.58 and 456,769.56 is: 630,271.99
Step by Step Solution
- Step 1: Write the proportion equation
762,764.84 : 1,052,498.58 = 456,769.56 : x - Step 2: Convert to fraction form
762,764.84/1,052,498.58 = 456,769.56/x - Step 3: Cross multiply
762,764.84x = 1,052,498.58 × 456,769.56 - Step 4: Simplify right side
762,764.84x = 480,749,313,287.23 - Step 5: Solve for x
x = 480,749,313,287.23/762,764.84 - Step 6: Final answer
x = 630,271.99
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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.