Finding the Fourth Proportional to 752,323.99, 1,128,571.62 and 272,777.63
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Solution
The fourth proportional to 752,323.99, 1,128,571.62 and 272,777.63 is: 409,197.49
Step by Step Solution
- Step 1: Write the proportion equation
752,323.99 : 1,128,571.62 = 272,777.63 : x - Step 2: Convert to fraction form
752,323.99/1,128,571.62 = 272,777.63/x - Step 3: Cross multiply
752,323.99x = 1,128,571.62 × 272,777.63 - Step 4: Simplify right side
752,323.99x = 307,849,084,782.11 - Step 5: Solve for x
x = 307,849,084,782.11/752,323.99 - Step 6: Final answer
x = 409,197.49
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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.