Finding the Fourth Proportional to 667,873.24, 1,001,560.74 and 268,378.81
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Solution
The fourth proportional to 667,873.24, 1,001,560.74 and 268,378.81 is: 402,468.11
Step by Step Solution
- Step 1: Write the proportion equation
667,873.24 : 1,001,560.74 = 268,378.81 : x - Step 2: Convert to fraction form
667,873.24/1,001,560.74 = 268,378.81/x - Step 3: Cross multiply
667,873.24x = 1,001,560.74 × 268,378.81 - Step 4: Simplify right side
667,873.24x = 268,797,679,543.92 - Step 5: Solve for x
x = 268,797,679,543.92/667,873.24 - Step 6: Final answer
x = 402,468.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.