Finding the Fourth Proportional to 752,860.80, 1,038,491.37 and 446,735.43
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Solution
The fourth proportional to 752,860.80, 1,038,491.37 and 446,735.43 is: 616,223.99
Step by Step Solution
- Step 1: Write the proportion equation
752,860.80 : 1,038,491.37 = 446,735.43 : x - Step 2: Convert to fraction form
752,860.80/1,038,491.37 = 446,735.43/x - Step 3: Cross multiply
752,860.80x = 1,038,491.37 × 446,735.43 - Step 4: Simplify right side
752,860.80x = 463,930,888,728.24 - Step 5: Solve for x
x = 463,930,888,728.24/752,860.80 - Step 6: Final answer
x = 616,223.99
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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.