Finding the Fourth Proportional to 587,754.23, 811,189.50 and 358,444.55
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Solution
The fourth proportional to 587,754.23, 811,189.50 and 358,444.55 is: 494,707.55
Step by Step Solution
- Step 1: Write the proportion equation
587,754.23 : 811,189.50 = 358,444.55 : x - Step 2: Convert to fraction form
587,754.23/811,189.50 = 358,444.55/x - Step 3: Cross multiply
587,754.23x = 811,189.50 × 358,444.55 - Step 4: Simplify right side
587,754.23x = 290,766,451,236.28 - Step 5: Solve for x
x = 290,766,451,236.28/587,754.23 - Step 6: Final answer
x = 494,707.55
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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.