Finding the Fourth Proportional to 752,550.95, 1,128,814.97 and 521,526.80
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Solution
The fourth proportional to 752,550.95, 1,128,814.97 and 521,526.80 is: 782,282.26
Step by Step Solution
- Step 1: Write the proportion equation
752,550.95 : 1,128,814.97 = 521,526.80 : x - Step 2: Convert to fraction form
752,550.95/1,128,814.97 = 521,526.80/x - Step 3: Cross multiply
752,550.95x = 1,128,814.97 × 521,526.80 - Step 4: Simplify right side
752,550.95x = 588,707,250,844.49 - Step 5: Solve for x
x = 588,707,250,844.49/752,550.95 - Step 6: Final answer
x = 782,282.26
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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.