Finding the Fourth Proportional to 673,291.22, 929,478.58 and 418,724.42
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Solution
The fourth proportional to 673,291.22, 929,478.58 and 418,724.42 is: 578,049.09
Step by Step Solution
- Step 1: Write the proportion equation
673,291.22 : 929,478.58 = 418,724.42 : x - Step 2: Convert to fraction form
673,291.22/929,478.58 = 418,724.42/x - Step 3: Cross multiply
673,291.22x = 929,478.58 × 418,724.42 - Step 4: Simplify right side
673,291.22x = 389,195,373,618.72 - Step 5: Solve for x
x = 389,195,373,618.72/673,291.22 - Step 6: Final answer
x = 578,049.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.