Finding the Fourth Proportional to 862,217.32, 1,291,117.68 and 719,708.24
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Solution
The fourth proportional to 862,217.32, 1,291,117.68 and 719,708.24 is: 1,077,719.05
Step by Step Solution
- Step 1: Write the proportion equation
862,217.32 : 1,291,117.68 = 719,708.24 : x - Step 2: Convert to fraction form
862,217.32/1,291,117.68 = 719,708.24/x - Step 3: Cross multiply
862,217.32x = 1,291,117.68 × 719,708.24 - Step 4: Simplify right side
862,217.32x = 929,228,033,105.68 - Step 5: Solve for x
x = 929,228,033,105.68/862,217.32 - Step 6: Final answer
x = 1,077,719.05
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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.