Finding the Fourth Proportional to 942,023.44, 1,299,980.12 and 512,294.42
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Solution
The fourth proportional to 942,023.44, 1,299,980.12 and 512,294.42 is: 706,959.65
Step by Step Solution
- Step 1: Write the proportion equation
942,023.44 : 1,299,980.12 = 512,294.42 : x - Step 2: Convert to fraction form
942,023.44/1,299,980.12 = 512,294.42/x - Step 3: Cross multiply
942,023.44x = 1,299,980.12 × 512,294.42 - Step 4: Simplify right side
942,023.44x = 665,972,561,586.93 - Step 5: Solve for x
x = 665,972,561,586.93/942,023.44 - Step 6: Final answer
x = 706,959.65
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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.