Finding the Fourth Proportional to 811,074.24, 1,118,910.48 and 524,686.56
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Solution
The fourth proportional to 811,074.24, 1,118,910.48 and 524,686.56 is: 723,826.82
Step by Step Solution
- Step 1: Write the proportion equation
811,074.24 : 1,118,910.48 = 524,686.56 : x - Step 2: Convert to fraction form
811,074.24/1,118,910.48 = 524,686.56/x - Step 3: Cross multiply
811,074.24x = 1,118,910.48 × 524,686.56 - Step 4: Simplify right side
811,074.24x = 587,077,290,699.15 - Step 5: Solve for x
x = 587,077,290,699.15/811,074.24 - Step 6: Final answer
x = 723,826.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.