Finding the Fourth Proportional to 587,764.96, 811,204.28 and 358,455.31
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Solution
The fourth proportional to 587,764.96, 811,204.28 and 358,455.31 is: 494,722.38
Step by Step Solution
- Step 1: Write the proportion equation
587,764.96 : 811,204.28 = 358,455.31 : x - Step 2: Convert to fraction form
587,764.96/811,204.28 = 358,455.31/x - Step 3: Cross multiply
587,764.96x = 811,204.28 × 358,455.31 - Step 4: Simplify right side
587,764.96x = 290,780,481,660.73 - Step 5: Solve for x
x = 290,780,481,660.73/587,764.96 - Step 6: Final answer
x = 494,722.38
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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.