Finding the Fourth Proportional to 942,021.44, 1,299,977.36 and 512,292.42
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Solution
The fourth proportional to 942,021.44, 1,299,977.36 and 512,292.42 is: 706,956.89
Step by Step Solution
- Step 1: Write the proportion equation
942,021.44 : 1,299,977.36 = 512,292.42 : x - Step 2: Convert to fraction form
942,021.44/1,299,977.36 = 512,292.42/x - Step 3: Cross multiply
942,021.44x = 1,299,977.36 × 512,292.42 - Step 4: Simplify right side
942,021.44x = 665,968,547,699.61 - Step 5: Solve for x
x = 665,968,547,699.61/942,021.44 - Step 6: Final answer
x = 706,956.89
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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.