Finding the Fourth Proportional to 762,677.16, 1,052,491.56 and 418,518.84
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Solution
The fourth proportional to 762,677.16, 1,052,491.56 and 418,518.84 is: 577,554.40
Step by Step Solution
- Step 1: Write the proportion equation
762,677.16 : 1,052,491.56 = 418,518.84 : x - Step 2: Convert to fraction form
762,677.16/1,052,491.56 = 418,518.84/x - Step 3: Cross multiply
762,677.16x = 1,052,491.56 × 418,518.84 - Step 4: Simplify right side
762,677.16x = 440,487,546,800.99 - Step 5: Solve for x
x = 440,487,546,800.99/762,677.16 - Step 6: Final answer
x = 577,554.40
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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.