Finding the Fourth Proportional to 682,827.54, 942,302.10 and 376,903.99
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Solution
The fourth proportional to 682,827.54, 942,302.10 and 376,903.99 is: 520,127.56
Step by Step Solution
- Step 1: Write the proportion equation
682,827.54 : 942,302.10 = 376,903.99 : x - Step 2: Convert to fraction form
682,827.54/942,302.10 = 376,903.99/x - Step 3: Cross multiply
682,827.54x = 942,302.10 × 376,903.99 - Step 4: Simplify right side
682,827.54x = 355,157,421,275.38 - Step 5: Solve for x
x = 355,157,421,275.38/682,827.54 - Step 6: Final answer
x = 520,127.56
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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.