Finding the Fourth Proportional to 862,047.68, 1,291,078.61 and 832,154.12
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Solution
The fourth proportional to 862,047.68, 1,291,078.61 and 832,154.12 is: 1,246,307.38
Step by Step Solution
- Step 1: Write the proportion equation
862,047.68 : 1,291,078.61 = 832,154.12 : x - Step 2: Convert to fraction form
862,047.68/1,291,078.61 = 832,154.12/x - Step 3: Cross multiply
862,047.68x = 1,291,078.61 × 832,154.12 - Step 4: Simplify right side
862,047.68x = 1,074,376,389,163.65 - Step 5: Solve for x
x = 1,074,376,389,163.65/862,047.68 - Step 6: Final answer
x = 1,246,307.38
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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.