Finding the Fourth Proportional to 875,888.11, 1,313,423.92 and 455,050.99
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Solution
The fourth proportional to 875,888.11, 1,313,423.92 and 455,050.99 is: 682,364.38
Step by Step Solution
- Step 1: Write the proportion equation
875,888.11 : 1,313,423.92 = 455,050.99 : x - Step 2: Convert to fraction form
875,888.11/1,313,423.92 = 455,050.99/x - Step 3: Cross multiply
875,888.11x = 1,313,423.92 × 455,050.99 - Step 4: Simplify right side
875,888.11x = 597,674,846,243.31 - Step 5: Solve for x
x = 597,674,846,243.31/875,888.11 - Step 6: Final answer
x = 682,364.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.