Finding the Fourth Proportional to 675,024.42, 1,012,241.36 and 320,139.92
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Solution
The fourth proportional to 675,024.42, 1,012,241.36 and 320,139.92 is: 480,069.84
Step by Step Solution
- Step 1: Write the proportion equation
675,024.42 : 1,012,241.36 = 320,139.92 : x - Step 2: Convert to fraction form
675,024.42/1,012,241.36 = 320,139.92/x - Step 3: Cross multiply
675,024.42x = 1,012,241.36 × 320,139.92 - Step 4: Simplify right side
675,024.42x = 324,058,868,011.09 - Step 5: Solve for x
x = 324,058,868,011.09/675,024.42 - Step 6: Final answer
x = 480,069.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.