Finding the Fourth Proportional to 930,660.96, 1,396,271.52 and 331,543.92
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Solution
The fourth proportional to 930,660.96, 1,396,271.52 and 331,543.92 is: 497,415.66
Step by Step Solution
- Step 1: Write the proportion equation
930,660.96 : 1,396,271.52 = 331,543.92 : x - Step 2: Convert to fraction form
930,660.96/1,396,271.52 = 331,543.92/x - Step 3: Cross multiply
930,660.96x = 1,396,271.52 × 331,543.92 - Step 4: Simplify right side
930,660.96x = 462,925,333,125.16 - Step 5: Solve for x
x = 462,925,333,125.16/930,660.96 - Step 6: Final answer
x = 497,415.66
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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.