Finding the Fourth Proportional to 942,921.42, 1,301,231.49 and 513,204.63
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Solution
The fourth proportional to 942,921.42, 1,301,231.49 and 513,204.63 is: 708,222.35
Step by Step Solution
- Step 1: Write the proportion equation
942,921.42 : 1,301,231.49 = 513,204.63 : x - Step 2: Convert to fraction form
942,921.42/1,301,231.49 = 513,204.63/x - Step 3: Cross multiply
942,921.42x = 1,301,231.49 × 513,204.63 - Step 4: Simplify right side
942,921.42x = 667,798,025,369.80 - Step 5: Solve for x
x = 667,798,025,369.80/942,921.42 - Step 6: Final answer
x = 708,222.35
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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.