Finding the Fourth Proportional to 752,549.99, 1,038,519.69 and 430,266.84
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Solution
The fourth proportional to 752,549.99, 1,038,519.69 and 430,266.84 is: 593,768.64
Step by Step Solution
- Step 1: Write the proportion equation
752,549.99 : 1,038,519.69 = 430,266.84 : x - Step 2: Convert to fraction form
752,549.99/1,038,519.69 = 430,266.84/x - Step 3: Cross multiply
752,549.99x = 1,038,519.69 × 430,266.84 - Step 4: Simplify right side
752,549.99x = 446,840,579,786.13 - Step 5: Solve for x
x = 446,840,579,786.13/752,549.99 - Step 6: Final answer
x = 593,768.64
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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.