Finding the Fourth Proportional to 479,324.68, 661,350.12 and 293,009.08
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Solution
The fourth proportional to 479,324.68, 661,350.12 and 293,009.08 is: 404,280.44
Step by Step Solution
- Step 1: Write the proportion equation
479,324.68 : 661,350.12 = 293,009.08 : x - Step 2: Convert to fraction form
479,324.68/661,350.12 = 293,009.08/x - Step 3: Cross multiply
479,324.68x = 661,350.12 × 293,009.08 - Step 4: Simplify right side
479,324.68x = 193,781,590,219.09 - Step 5: Solve for x
x = 193,781,590,219.09/479,324.68 - Step 6: Final answer
x = 404,280.44
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1.5x scale
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.