Finding the Fourth Proportional to 942,922.24, 1,301,260.50 and 513,230.20
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Solution
The fourth proportional to 942,922.24, 1,301,260.50 and 513,230.20 is: 708,272.81
Step by Step Solution
- Step 1: Write the proportion equation
942,922.24 : 1,301,260.50 = 513,230.20 : x - Step 2: Convert to fraction form
942,922.24/1,301,260.50 = 513,230.20/x - Step 3: Cross multiply
942,922.24x = 1,301,260.50 × 513,230.20 - Step 4: Simplify right side
942,922.24x = 667,846,186,667.10 - Step 5: Solve for x
x = 667,846,186,667.10/942,922.24 - Step 6: Final answer
x = 708,272.81
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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.