Finding the Fourth Proportional to 811,079.24, 1,118,917.32 and 524,691.68
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Solution
The fourth proportional to 811,079.24, 1,118,917.32 and 524,691.68 is: 723,833.85
Step by Step Solution
- Step 1: Write the proportion equation
811,079.24 : 1,118,917.32 = 524,691.68 : x - Step 2: Convert to fraction form
811,079.24/1,118,917.32 = 524,691.68/x - Step 3: Cross multiply
811,079.24x = 1,118,917.32 × 524,691.68 - Step 4: Simplify right side
811,079.24x = 587,086,608,411.90 - Step 5: Solve for x
x = 587,086,608,411.90/811,079.24 - Step 6: Final answer
x = 723,833.85
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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.