Finding the Fourth Proportional to 762,763.58, 1,052,590.02 and 418,590.66
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Solution
The fourth proportional to 762,763.58, 1,052,590.02 and 418,590.66 is: 577,642.09
Step by Step Solution
- Step 1: Write the proportion equation
762,763.58 : 1,052,590.02 = 418,590.66 : x - Step 2: Convert to fraction form
762,763.58/1,052,590.02 = 418,590.66/x - Step 3: Cross multiply
762,763.58x = 1,052,590.02 × 418,590.66 - Step 4: Simplify right side
762,763.58x = 440,604,351,181.21 - Step 5: Solve for x
x = 440,604,351,181.21/762,763.58 - Step 6: Final answer
x = 577,642.09
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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.