Finding the Fourth Proportional to 935,658.12, 1,403,596.86 and 328,260.68
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Solution
The fourth proportional to 935,658.12, 1,403,596.86 and 328,260.68 is: 492,429.50
Step by Step Solution
- Step 1: Write the proportion equation
935,658.12 : 1,403,596.86 = 328,260.68 : x - Step 2: Convert to fraction form
935,658.12/1,403,596.86 = 328,260.68/x - Step 3: Cross multiply
935,658.12x = 1,403,596.86 × 328,260.68 - Step 4: Simplify right side
935,658.12x = 460,745,659,709.47 - Step 5: Solve for x
x = 460,745,659,709.47/935,658.12 - Step 6: Final answer
x = 492,429.50
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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.