Finding the Fourth Proportional to 762,251.21, 1,051,899.50 and 418,080.14
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Solution
The fourth proportional to 762,251.21, 1,051,899.50 and 418,080.14 is: 576,946.65
Step by Step Solution
- Step 1: Write the proportion equation
762,251.21 : 1,051,899.50 = 418,080.14 : x - Step 2: Convert to fraction form
762,251.21/1,051,899.50 = 418,080.14/x - Step 3: Cross multiply
762,251.21x = 1,051,899.50 × 418,080.14 - Step 4: Simplify right side
762,251.21x = 439,778,282,876.03 - Step 5: Solve for x
x = 439,778,282,876.03/762,251.21 - Step 6: Final answer
x = 576,946.65
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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.